Archive of Our Own

It begins with an observation. Spock is not immune to curiosity—he is Vulcan, but he is also half-human, and there are moments, rare as they may be, when that side of him pushes forward. Leonard McCoy is an enigma. A loud, brash, exasperated enigma. He grumbles and growls his way through life, perpetually irritated by the sheer existence of certain things—transporters, Romulans, the bureaucracy of Starfleet, Vulcans—and yet, he is one of the most deeply feeling humans Spock has ever met. It should be a contradiction, but it is not.

Spock has noticed something peculiar about McCoy’s attitude toward him. The doctor frequently rants about Vulcans, calling them emotionless, green-blooded computers—but his ire is sharper when it is directed at Spock himself. At first, Spock had assumed it was simple animosity, perhaps even prejudice. But time has revealed that McCoy is not an inherently prejudiced man. No, if anything, he is too open, too deeply invested in the lives of those around him. So Spock tests it. He pulls on the thread.

“Damn it, Spock! You can’t just logically override medical protocol every time it doesn’t suit your pointy-eared interests!”

McCoy’s voice is sharp, a familiar snap of irritation as he glares at Spock over the biobed. The doctor’s hands are firm but careful as he adjusts the scanner, his fingers brushing Spock’s wrist where he holds it still.

Spock raises a brow, deliberately tilting his head. “Doctor, if you are attempting to imply that my logical reasoning is flawed, I would invite you to make a compelling argument. Preferably one that does not rely solely on your usual emotive outbursts .”

McCoy’s lips press into a thin line. His blue eyes flash. “I got a compelling argument for you right here, you green-blooded—”

He cuts himself off, exhaling sharply through his nose. His grip tightens, just for a fraction of a second, before he drops Spock’s wrist with an aggravated sigh.

Spock watches him. He waits.

McCoy rubs a hand over his face, fingers digging into his temples. “Look. All I’m saying is, just because your damn Vulcan physiology lets you ignore the pain, doesn’t mean you should. You’re not a machine, Spock.”

Spock blinks.

The words are familiar—McCoy has said them before, more often than not, that he is an unfeeling machine or other, in various forms. But something about the way he says it this time is different.

There is no venom. No irritation. Only frustration. And something else—something that Spock cannot immediately categorize.

A warmth. A pull.

McCoy turns away before Spock can comment, retreating to his desk with an exaggerated huff. “Go on, get out of here before I decide to actually sedate you and keep you here for a day… Gods knows you need the rest..,” he mutters, waving a hand.

Spock does not leave immediately. He watches the doctor for a moment longer. Considers.

Then, with a slow and deliberate step, he moves to stand beside McCoy’s desk.

The doctor looks up at him, frowning. “What?”

Spock clasps his hands behind his back. “I am not a machine, Doctor.”

McCoy snorts. “Well, congratulations on figuring that out, Spock.”

Spock does not acknowledge the sarcasm. “If I were, would it trouble you?”

McCoy stills.

The air in the office shifts.

Spock watches, observes, as McCoy’s brows draw together, his lips parting slightly—like he’s about to speak, but can’t quite find the words. His fingers twitch against the surface of the desk.

Then, after a moment, he looks away. Shrugs. “Nah,” he says, too casually. “I don’t lose sleep over toasters.”

Spock tilts his head. “I see.”

A test.

A hypothesis.

A thread to pull.

Spock is very patient so he escalates the experiment in increments, careful and measured. He finds excuses to visit sickbay, lingering just long enough to observe McCoy’s reactions. He offers more dry comments, lets their debates stretch longer than necessary, says things that he knows will ignite the Doctors' need to comment back. He steps into McCoy’s personal space—a fraction closer than usual, just enough to see if the doctor will retreat. McCoy never does. He grumbles, scowls, but his feet never move.

Then there is the touching. Spock is careful. He does not instigate anything openly, but he allows for more incidental contact—his fingers brushing McCoy’s when passing a padd, a shoulder pressing slightly against McCoy’s when they stand side by side on the bridge, when the Doctor comes to speak to Jim about something, or when he is needed for something. He does not need to be a telepath to feel the doctor’s reactions. The way McCoy tenses slightly, only to relax a beat later. The sharp glances, the quick exhalations through his nose. The way his heartbeat spikes—a small, brief increase, but an increase nonetheless. Spock is not prone to arrogance, but he knows interest when he sees it. McCoy likes him, he is 89.64% sure of it, and the numbers rise every day. Perhaps not  in the same way he likes Jim—there is a rough fondness between the doctor and their captain, an exasperated affection built on years of camaraderie and friendship. But with Spock, it is different. It is something McCoy does not seem to have words for. Something he is fighting—though Spock cannot determine whether the battle is against himself or against the idea of wanting Spock at all. So Spock pulls again.

“Spock, what the hell—”

McCoy is pinned, not forcefully—Spock has no intention of making McCoy uncomfortable—but he is very much cornered, but not physically . The sickbay is empty, the dim lighting casting long shadows, and Spock has moved deliberately, placing himself just close enough to watch the way McCoy reacts. His pulse is elevated. His breathing, slightly uneven. Spock does not touch him. But he could.

McCoy exhales sharply. “If this is another one of your damn experiments, I swear to God—”

Spock tilts his head, does he know?. “Doctor, I find it intriguing that you assume this is an experiment.”

McCoy glares. “Because I know you, you damn hobgoblin. You test things. You poke and prod. You—” He gestures wildly. “You observe.”

Spock raises a brow. “And what is it that I am observing, Doctor?”

McCoy opens his mouth. Closes it. For a moment, the silence stretches, heavy and charged. Then, with a frustrated groan, McCoy grabs Spock’s uniform, yanking him forward, and kisses him.

It is rough, messy, not at all logical—but it is also entirely human. And Spock, for once, does not mind. Not when McCoy’s fingers are gripping him like this. Not when his breath is warm and real against Spock’s lips. Not when every elevated heartbeat, every shuddering breath, confirms what Spock has suspected all along.

McCoy likes him.

McCoy is panting when he pulls back. His hands are still fisted in Spock’s uniform, knuckles white. His blue eyes—so sharp, so expressive—are searching, darting over Spock’s face as if looking for an answer, some kind of confirmation that what just happened was real. Spock, in contrast, seems perfectly composed. His breathing has quickened slightly—only slightly—but otherwise, he is calm, his hands still clasped behind his back. He tilts his head, studying McCoy with that same impassive, unreadable expression that McCoy always complains about.

McCoy scowls. “You got anything to say, or did I just kiss a damn statue?”

Spock considers. He is not a statue. The very notion is illogical. “I am simply… processing.” he replies.

McCoy’s scowl deepens. “Jesus, Spock, you would analyse a kiss like it’s a goddamn lab report...”

Spock raises a brow. “Would you prefer I react differently?”

McCoy lets out an irritated huff. “I’d prefer if you acted like you felt something, instead of standing there like—” He stops himself, shaking his head. “Never mind. Forget it.” He lets go of Spock’s uniform and steps back, but Spock doesn’t allow much distance between them. He moves forward—just enough to keep McCoy’s attention, to keep that tension present.

McCoy notices. Spock can tell because the doctor’s jaw tightens. His hands twitch at his sides like he wants to shove Spock away—or pull him back in. McCoy has not yet decided which. Spock, however, has already reached a conclusion.

“I do feel.” he states, voice smooth and even. “Contrary to your assumptions, I am not devoid of emotion...”

McCoy scoffs. “You sure don’t act like it.”

Spock exhales through his nose—an almost-sigh. “Doctor, you of all people should know that Vulcans suppress emotion, not lack it.”

McCoy crosses his arms. “Yeah, yeah, I know the drill. ‘Vulcans have emotions, they just repress them for the sake of logic.’ That doesn’t mean you actually feel things the way a human does.”

Spock tilts his head. “You seem very interested in how I feel.”

McCoy’s jaw tightens. “That’s—not what I meant, you pointy-eared bastard.”

Spock takes another step forward. McCoy’s back bumps into the bulkhead of sickbay, and he goes stiff, his throat working as he swallows. Spock’s eyes flicker downward—only for a fraction of a second—but he notes the way McCoy’s pulse jumps in his throat.

Interesting. McCoy notices Spock’s focus and lets out a sharp, defensive bark of laughter.

“What, analyzing my vitals now? Am I reacting to stimuli the way you predicted?”

Spock raises a brow. “Your physiological responses are indeed informative.”

McCoy mutters something under his breath that Spock chooses to ignore.

Spock pauses. Considers. Then, with precise and measured intent, he lowers his voice. “Would you prefer I show you, Doctor?”

McCoy stills. His hands, which had been braced against the bulkhead, clench. His eyes widen just a fraction, lips parting in the beginning of a retort—But no words come. Spock watches the exact moment McCoy realizes what he has implied. Watches the way his pupils dilate, the way his fingers twitch against his sleeves, the way his breath hitches—

McCoy wants. He does not say it, of course. He won’t say it, not when he can barely admit it to himself—but it’s there, simmering beneath all the gruffness, all the bravado. So Spock pulls the thread again.

“I would not have allowed you to kiss me if I did not feel something…” Spock murmurs.

McCoy exhales sharply, looking away. “Yeah, well. Maybe I just wanted to see if you’d actually react to something for once...”

Spock tilts his head. McCoy, drags a hand through his hair, still not looking at Spock. His throat bobs. “I don’t know what the hell I’m doin’ here Spock…” he mutters.

Spock steps closer. Their bodies are not quite touching, but the heat is there—palpable, electric. McCoy feels it. Spock can tell by the way he stiffens, by the sharp inhale that he tries to disguise. Spock lifts a hand, slow and deliberate, and places two fingers against the back of McCoy’s hand. A Vulcan gesture. A small, intimate touch—one that means more than McCoy likely realizes. McCoy glances down at their hands. His fingers twitch, but he does not pull away.

“You are not required to know… merely to feel.” Spock says.

McCoy lets out a ragged breath. “That’s the problem, Spock. I do feel, alot.”

Spock watches him for a long moment. Then, after careful calculation, he lowers his voice again. “Then I suggest,” he murmurs, “that you act on it again.”

McCoy’s breath stutters, and then, finally, he moves. His hands fist in Spock’s uniform again, but this time, it is not out of frustration. This time, it is purposeful. He pulls Spock down and crashes their mouths together—less a kiss and more a desperate, claiming pull. Spock allows it. No—he responds. He is not fully human, but he has human instincts as well, and McCoy’s lips are warm, his body solid, his breath fans against Spock’s mouth. The kiss is not logical—it is messy, a clash of teeth and heat and raw, untamed emotion—but Spock leans into it. McCoy is a firestorm of sensation. A tangle of heat and hunger and feeling, so much feeling, and Spock lets it consume him. McCoy groans against his mouth, half-frustrated, half-needy, fingers tightening in Spock’s uniform like he’s afraid to let go, like he does not know how to want something without fighting it. Spock lets him fight. And then, when McCoy finally breaks away, panting, his eyes blazing, Spock simply lifts a brow and states, very calmly—

“I believe I have made my point.”

McCoy stares at him. Then, abruptly, he lets out a hoarse laugh—like he cannot believe this is happening, like he is one breath away from losing his goddamn mind. “Spock-” he says, voice rough, “You are so damn lucky I like you.”

Spock tilts his head. “Am I?”

McCoy groans and drags him in for another kiss. And this time—Spock meets him halfway. Spock does not often want. He is Vulcan. Control is his foundation, the core of his existence, a lifetime of disciplined thought and carefully contained impulses. Even his human half does not often rebel against this—it understands that logic is paramount, that restraint is necessary. But McCoy— he destroys restraint.

Spock groans into the kiss, a sound he does not recognize as his own, and it seems to break McCoy, makes his hands move. They are rough, dragging at Spock’s uniform like he wants to tear it off him, fingers desperate to get underneath, to touch. And then, they do. McCoy finds the hem of Spock’s uniform, shoving it up, slipping beneath the black thermal undershirt he wears. And when his hands meet bare skin. Spock groans again. It is involuntary, raw. The sensation is—Overwhelming. McCoy’s fingers are so warm, heated by human blood, dragging over the firm planes of his stomach, up his ribs, exploring. His hands are rough from years of working with them, from holding a scalpel steady, from gripping instruments with precision and care— And now those hands are on him.

Spock feels his control fraying. McCoy exhales against his mouth, a low, ragged sound of satisfaction. “Well, I’ll be damned…” he murmurs. “You do feel.”

Spock’s breath hitches as McCoy’s fingers trace the faint lines of his ribcage. “ Doctor —”

McCoy kisses him again, cutting off whatever Spock had intended to say. His hands press higher, palms dragging against the taut muscles of Spock’s abdomen, brushing the curve of his chest, over stiff nipples. Spock’s body shivers.McCoy notices. “Oh-,” he whispers, voice dark with realization. “You like that?”

Spock swallows hard. “Your observations are—”

McCoy’s fingers move again, sliding over the pebbled skin, and Spock’s words die in his throat. McCoy grins against his lips. “Yeah. That’s what I thought.”

Spock exhales sharply. He wants. He had not expected to want this—not like this, not so suddenly, not so deeply, but now that it has begun, he does not wish for it to stop.  McCoy keeps touching him, rough, searing warm and unrelenting. Spock’s mind is a haze of heat and sensation, his breath coming faster than it should.

This is dangerous.

This is illogical.

This is—

“Spock.”

McCoy says his name, voice low and wanting, and Spock breaks, his hands, which had been hesitating at McCoy’s waist, move. He grips McCoy’s hips, fingers tightening, pulling the doctor closer. McCoy makes a sound—something pleased, low in his throat—and then he’s pressing against Spock, bodies flush, his hands everywhere, seeking, claiming. Spock is dizzy. He does not get dizzy. He does not lose himself. But here, with McCoy’s body against his, with his hands sliding under Spock’s uniform, touching and teasing and learning— Spock is dangerously close to losing everything. And he does not care.

McCoy exhales a sharp breath against his jaw. “Christ, Spock... you're cool to the touch.”

Spock’s fingers flex against McCoy’s hips. “Vulcans have a lower body temperature than humans, you already know this…” he manages, voice strained.

McCoy grins. “Yeah, I know. Just…feels good.”

Spock swallows. “You are very—”

McCoy’s hands slip higher, and Spock shudders. McCoy smirks. “Sensitive?”

Spock exhales slowly, trying to centre himself, but McCoy is not making it easy. His hands are moving again, dragging over Spock’s chest, fingertips teasing against muscle. McCoy leans in, pressing his mouth to Spock’s throat. He doesn’t kiss, not quite, but his lips linger, warm and teasing against the sensitive skin there. Spock’s hands tighten against McCoy’s hips.

His voice when it manages to form, is hoarse. “Doctor, if you—”

McCoy bites him then, not hard, not enough to actually hurt or damage him. Just a quick, firm press of teeth against the curve of Spock’s throat—Spock groans. It is low, deep, almost primal. A sound pulled from some part of him he did not realize even existed. McCoy stills. Spock does not know what expression is on McCoy’s face, but he can feel the doctor’s breath against his throat, can hear the sharp inhale as he processes what just happened.

“Well, shit..” McCoy breathes. “That was—” He huffs a laugh, and Spock can feel the shape of his grin against his skin. “That was something.”

Spock’s ears are hot. He is certain of it as McCoy presses closer. His voice is lower, rougher. “Didn’t peg you for the vocal type.”

Spock does not trust himself to speak. McCoy chuckles, dragging his hands down Spock’s sides. “Guess I’ll just have to test that theory, won’t I?”

Spock closes his eyes, he feels overwhelmed. McCoy’s hands on his skin are more than just contact—they are sensation. Raw, unfiltered humanity. It is a flood, a deluge of emotion pouring into Spock’s nerves, more than he expected, more than he can process. Because Vulcans are touch telepaths. Every graze of McCoy’s fingertips directly against his skin is not just touch, it is feeling. It is heat and hunger and want—so much want—coursing through Spock’s body like a current, jolting through him in bursts of electricity. McCoy is sending him too much too quickly Spock clenches his hands at McCoy’s waist, fingers digging in, bracing himself, but it does nothing to stop the onslaught. McCoy is feeling everything—And Spock is now feeling it too. It is staggering. McCoy’s desire is messy, unguarded, raw in a way that Spock is entirely unused to. There are no barriers, no shields, no logic or discipline, just a storm of unfiltered, pure need crashing into Spock’s mind with every touch and drag of warm hands and fingers.

Spock sucks in a sharp breath, body going rigid. He can hear McCoy’s thoughts. Not words, not exactly, but the essence of them, the emotions behind them, the sheer weight of his want. It is spilling into Spock’s skin, into his nerves, sinking into the very core of him. It is too much. Spock is drowning in it, caught in the tide, and he has never felt anything like this. McCoy’s hands drag over his ribs, pressing higher, and the sensation is blinding. Spock groans again, and McCoy reacts to it, his own pulse jumping, his breath catching. Spock cannot stop himself—he grips McCoy’s hips tighter, his restraint fraying at the edges.

McCoy makes a low, pleased sound. “Jesus, Spock—” And then he moves, pressing their bodies together, hands sliding over Spock’s chest, fingers grazing his sides— Too much. Spock gasps, his knees nearly buckle. He grabs McCoy, gripping him hard enough that it should hurt—but McCoy only makes a sharp, wrecked noise, his own body reacting on instinct, grinding against Spock like he needs it. Spock is going to break. McCoy does not stop touching him. His hands are everywhere, sliding all over under Spock’s uniform, skin to skin, setting off new bursts of sensation with every movement. McCoy does not know what he is doing to Spock, or he doesn’t think about it, but Spock knows. He is caught in a feedback loop—McCoy’s emotions are pouring into him, filling him, and every reaction Spock has fuels McCoy more, making him push, take, give more. Spock cannot handle it. He needs to—

“Leonard-” His voice is not steady. It is rough, desperate, edged with something Spock does not have a name for.

McCoy freezes. His hands still, his body still pressed flush against Spock’s, his breath still warm against Spock’s throat. Slowly, hereleases his iron grip on McCoy’s waist. He inhales, forces himself to steady—but his mind is still reeling. McCoy leans back slightly, just enough to look at him. His eyes are dark, burning, pupils blown wide. His chest is rising and falling too quickly, lips parted, gaze searching.

“…Spock?” His voice is rough, questioning.

Spock swallows. “I—” He stops. Breathes. McCoy watches him, still too close, still touching him, but waiting now. Holding back.

Spock cannot remember the last time someone touched him without shields. Without control. Without restraint, not for this long at least. McCoy’s hands are still warm against his ribs, his thumbs brushing just slightly over Spock’s skin. Spock exhales through his nose. His voice, when he speaks, its quiet.

“Remember, I am a touch telepath...”

McCoy blinks, lips parting slightly. He processes that—lets it settle. Then, slowly, realization dawns.

His breath catches. “Oh.”

Spock nods, steadying himself. “Oh.” he agrees.

McCoy looks down at where his hands are still resting against Spock’s sides—his fingers flex, as if testing the weight of the moment.

“…So you felt all that?” McCoy asks.

Spock swallows again. “Yes.”

McCoy stares at him for a long moment. “Holy shit.”

Spock exhales sharply. “...Indeed.”

McCoy laughs—a breathless, wrecked sound. “Jesus, Spock, no wonder you reacted like that—”

Spock tightens his jaw. “Yes, Doctor. I would appreciate it if you stopped analysing the situation out loud.”

McCoy grins, grins, the bastard. “Why? Is it making you flustered that I tell you the truth? Throw your own logic against you?”

Spock looks at him then. If he had been human it would probably have been a glare.

McCoy laughs again, but softer this time. His hands haven’t moved. His body is still pressed close, still warm, still real.

Spock exhales slowly.

“…You felt everything I felt?” McCoy asks after a beat, his voice quieter now.

Spock nods. “Yes.”

McCoy studies him. His fingers move slightly against Spock’s skin—gentle, testing. “…And what did you feel?”

Spock hesitates. Not because he does not know—but because saying it aloud will make it more real. All of Lenonard’s emotions, his wants, his need the heat of it all…  McCoy waits. He does not push. Spock closes his eyes briefly, then opens them, meeting McCoy’s gaze.

“I felt you.” His voice is quiet, steady. “As you…touched me.”

McCoy’s expression shifts. The teasing glint fades from his eyes, replaced with something softer. 

“…Yeah,” he murmurs. “Yeah, I guess I did feel you huh...”

A pause as McCoy takes a slow breath. “And did you like it?”

Spock’s voice is quieter than before. “Yes...”

McCoy exhales. His hands move slightly, softer now, tracing light, absent shapes against Spock’s skin. “…Do you want more?”

Spock’s fingers flex against McCoy’s hips. His restraint is frayed, threadbare as he exhales.

“Yes...” he says again, voice barely above a whisper.

McCoy makes a sound—something pleased. Then carefully, he presses another kiss to Spock’s lips.

“Maybe not here…” Leonard mumbles against Spock’s lips, his breath warm, his voice rough with lingering heat.

Spock exhales sharply. He agrees.

Sickbay is not an ideal location for this. Not when the potential for interruption is high. Not when the sterile scent of antiseptic and medical equipment lingers in the air.

Not when Spock wants to explore this—wants to indulge in this—without the possibility of being seen.

McCoy pulls back slightly, blue eyes searching his face, reading too much in the way he always does. “C’mon,” he says, voice softer now, hand still warm against Spock’s ribs. “Let’s get outta here.”

Spock does not argue. McCoy moves first, stepping back, his hands finally leaving Spock’s skin. Spock misses the contact immediately, his body still thrumming from the residual heat of McCoy’s emotions, from the imprint of his thoughts lingering in Spock’s nerves. Spock swallows and follows. McCoy’s quarters are not far. The journey there is silent, tense, filled with unspoken things hanging between them—charged, heavy, waiting. McCoy does not turn when they enter. He steps inside, exhales sharply, then presses a hand against the door panel, sealing it shut behind them. The click of the lock is deafening. Spock stands just inside the threshold, hands clasped behind his back, heart rate still elevated, restraint hanging by a thread.

McCoy turns to face him and for a long moment, neither of them speaks.

Then McCoy moves, not hesitating this time, not second-guessing—he crosses the space between them, reaching for Spock, fingers curling into the fabric of his uniform, and when McCoy kisses him again—It is rough, deep and hungry, his hands dragging over Spock’s sides, under his uniform again, skin to skin, and this time, Spock is ready for it.

McCoy groans when Spock grips his hips, pulling him flush, holding him close. Spock can feel him again. The want. The heat. The sheer need. And he is drowning in it again, aware he is making sounds of pleasure, not caring much to try to control it now. McCoy breaks the kiss then, gasping against Spock’s lips, fingers tightening against his ribs.

“Goddamn, Spock-” he breathes.”Those sounds…”

Spock barely manages to respond. “You are the one sending it...”

McCoy laughs, voice breathless and a bit wrecked. “Yeah,” he mutters. “Guess I am.”

Leonard grabs his hands. And Spock breaks. A touch against his skin is overwhelming enough—but his hands? His hands are the centre of it. The core of his telepathic abilities, the place where his mind is most vulnerable , where even the slightest contact can forge a connection . Not a true mind meld, no—not something so deep, so binding—but a back-and-forth connection , a raw, uncontrolled exchange .

And McCoy— unshielded, unguarded, full of so much want ? He feels it all. Spock’s breath stutters, his entire body going rigid as a flood of sensation crashes into him—McCoy’s heat, his hunger , his need , all of it spilling through Spock’s nerves like fire, twining with Spock’s own buried desire, wrapping around it and pulling tight . McCoy feels it too. His fingers tighten around Spock’s hands, his pulse jumping , his breath catching as he gasps at the sudden influx of sensation.

“Jesus-- ” he rasps, voice rough with shock. “ Spock— ”

Spock groans, his knees nearly giving out, his control disintegrating. McCoy feels good—his emotions are blazing, untamed, human, and Spock has never felt someone like this before. Never been so exposed in such a way, never wanted it like this.

McCoy sucks in a sharp breath . “Shit—I can feel you—”

Spock grits his teeth , fighting for control, but it is impossible.

McCoy’s hands are still holding his, fingers curling tighter, and everything is spilling between them—desire and heat and need, pure sensation , unfiltered and too much. Spock shudders, eyes slamming shut, his breath ragged. He wants. He needs. And he cannot stop it. McCoy knows, because he is inside him now, just as much as Spock is inside him . The connection is not deep—not a true meld, not a true bond—but it is too much. Enough for McCoy to feel Spock’s restraint shattering, enough for Spock to drown in McCoy’s unrestrained desire.

McCoy shudders. “Spock—”

And Spock reacts to it, he moves without thinking, grabbing McCoy’s waist, pushing him back, pressing him down against the bed— McCoy groans , his head tipping back, exposing his throat, and Spock— Spock forgets himself . McCoy’s body beneath him is burning , his emotions pulsing through their joined hands, wrapping around Spock’s mind in waves of heat. Spock can barely breathe , barely think , drowning in the sheer weight of McCoy’s hunger, in the way it mixes with his own desire— And it is his own. Not just McCoy’s, not just a reflection of what he is being given—Spock wants this . More than he thought he would. More than he should.

McCoy knows, because like this, Spock cannot hide it from him.

Spock shudders, eyes snapping shut as he fights for control , but McCoy only tightens his grip, breath hot against Spock’s jaw.

“Don’t you dare pull away from me.” McCoy rasps. “You started this, you finish it.”

Spock shudders, his restraint is fraying, burning away at the edges, but he is still fighting, still trying to keep some semblance of control—McCoy groans, frustrated, and then his hand move, still locked with Spock’s, still connected, but pulling—dragging their joined hands down Spock’s body, under his uniform, over his chest, pressing their linked fingers against his own skin— And Spock breaks . His head snaps back , a ragged, wrecked sound tearing from his throat, his body arching as a shockwave of sensation rips through him. McCoy gasps too, feeling it all, his body jerking beneath Spock’s as the feedback loop surges between them— desire amplifying desire, want feeding want, every brush of skin against skin sending another pulse of heat through the bond. Spock is losing himself, he can’t stop it. McCoy groans, his hips shifting, grinding up into Spock as his grip tightens—Spock's mouth finds McCoy’s throat, teeth dragging against the thin skin there, his lips parting, biting, hard enough to make McCoy gasp , to make his pulse spike , to send a shock of pleasure through both of them at once. McCoy’s hand is still locked with his own, their fingers still woven together—the sharp pull of desire curling in McCoy’s stomach, the dizzy, overwhelming pleasure at every touch, the sheer, reckless need that is barely contained within.

It is too much, it is not enough. Spock wants more, so he shifts, pressing McCoy down harder, his breath ragged against McCoy’s skin. His uniform feels constricting , too much , too heavy , but McCoy is already tugging at it, already trying to strip him down , remove barriers , remove the distance, the fabric bunching up. And then McCoy lets go; the bond snaps. Spock gasps sharply, feeling the sudden loss of connection like a rush of cold air against overheated skin. The emotions, the sensations, the raw, unfiltered need pouring between them—

It all vanishes and for a brief, jarring moment, Spock is alone in his mind again. McCoy is still beneath him, still panting , still flushed with heat, but his hands are no longer wrapped around Spock’s. They are gripping the sheets instead, fingers curling tightly into the fabric like he is bracing himself. His face is tense, his blue eyes searching, something uncertain flickering in them. Spock had felt it briefly , just before McCoy let go. The hesitation and the insecurity.

McCoy had been unsure. Not about wanting this—Spock had felt how much he wanted this—but about whether Spock wanted it too, whether Spock’s reactions had been his own, or merely the result of the emotions pouring into him through the bond. McCoy had let go to make sure.

Spock exhales slowly, steadies himself, then meets McCoy’s gaze .

And he makes his choice, wordlessly, Spock lifts his hands, and reaches for McCoy’s shirt, fingers slipping beneath the fabric, and begins undressing him .

McCoy inhales sharply. “Spock—”

Spock does not stop, he pushes McCoy’s shirt up, fingers dragging over heated skin, pressing against firm muscle, mapping out the warmth of him .

“I want this...” Spock says, voice low, steady. He leans down, his lips brushing against McCoy’s jaw, his breath warm as he murmurs. 

McCoy groans as his hands twitch against the sheets, muscles tensing, body reacting instantly to Spock’s words. His pulse spikes, his breath hitches—Spock does not need a bond to feel how much it affects him. Spock pulls McCoy’s shirt over his head, baring more of his skin, and drags his fingers down, tracing firm lines, pressing his palms against heat. McCoy lets out a sharp breath. His hands finally move , gripping Spock’s arms, his fingers tight , holding on .

Spock can see it now, raw and open in McCoy’s face—the hunger, the relief. Spock wants to see more .

McCoy does something Spock hadn’t even thought about, he grabs Spock’s hand. For a brief moment, the connection flares back to life, surging between them like a jolt of electricity—just long enough for Spock to feel the heat of McCoy’s intent, the pulse of wicked anticipation curling beneath his skin—

And then—McCoy lifts Spock’s hand to his mouth. Spock barely has time to process before McCoy’s lips part, and then he takes one of Spock’s fingers between them.

Spock shudders. The wet heat of McCoy’s mouth, the slick press of his tongue, the slow, deliberate pull as he sucks. Spock gasps, his entire body going rigid. McCoy hums against him, a low, pleased sound that Spock feels through the contact, the vibrations tingling up his arm, sinking deep into his nerves. Spock’s breath stutters. His mind is reeling, short-circuiting, failing to compute the intimacy of it— And then McCoy licks around his finger and Spock moans. It is a sound he barely recognizes as his own, pulled from deep in his chest, raw and wrecked , something uncontrolled. McCoy groans at the sound, sucking harder, lips sealing around Spock’s finger, his tongue dragging slow and obscene over the sensitive skin. Spock shudders violently as his free hand clenches against McCoy’s side, fingers digging in as his body reacts on pure instinct.

McCoy pulls back just enough to release Spock’s finger with a slick, sinful pop and then, before Spock can recover—McCoy takes in another. Spock gasps. McCoy’s tongue curls around the second digit, hot and wet and devastating, Spock feels weak, his knees threatening to buckle, his entire body trembling from the sheer, overwhelming stimulation.

“Leonard—” His voice is wrecked, strained, barely a whisper. McCoy groans at that too—like he likes hearing Spock like this, like he wants to break him down piece by piece. His fingers tighten around Spock’s wrist, holding him steady as he sucks, slow and filthy, tongue swirling, lips dragging. Spock is going to fall apart. Every nerve in his body is on fire, every sensation is amplified, spiralling through him in endless waves. His chest is rising and falling too quickly, his grip on McCoy’s side is bruising , his mind is—gone. McCoy finally releases his fingers, his mouth slick, his pupils blown , his breath hot as he rasps—

“Fuck, Spock… you like that, don’t you?”

Spock doesn’t answer. He can’t. McCoy pulls him down, dragging Spock’s weight over him, pressing their bodies flush, heat against heat. His hands are hungry, gripping at Spock’s back, his ribs, his hips—everywhere, as if he cannot decide where he wants to touch most. Spock’s mind is reeling , his breath coming faster than it should, his body still trembling from the aftershocks of what Leonard had just done . The wet heat of his mouth , the slow, devastating slide of his tongue—Spock’s fingers still tingle from it, hypersensitive, marked by sensation in a way he had not expected .

“Still with me, Spock?” McCoy rasps, voice low and rough , his hands gripping Spock’s waist.

Spock swallows hard, barely managing to reply. “I—”

McCoy moves before Spock can gather his thoughts, one hand slipping up the back of Spock’s neck, tugging him down into a kiss. It is deep, hungry, McCoy’s mouth slanting over his with purpose, his tongue slipping between Spock’s lips, still hot, still wet, tasting of himself, and Spock shudders. McCoy groans, feeling it, sensing it, pressing closer, and Spock responds on instinct, his hands dragging over McCoy’s sides, gripping harder, pulling him closer .

McCoy gasps against his lips, grinning against the kiss, half-wrecked, half-pleased with himself. “Damn…” he mutters, voice breathless, teasing. “Didn’t expect you to—”

Spock does not let him finish as he shifts, pressing McCoy down harder, one knee slipping between his legs, slotting between his thighs, and—McCoy groans , his head tipping back slightly, breath stuttering as his hips jerk against Spock’s.

Spock pauses. Then—deliberately—he does it again. McCoy gasps , his hands tightening on Spock’s back, his pulse jumping . “Spock—” His voice is wrecked , his pupils blown, his breath coming fast. Spock watches him—observes him. He can see the tension in McCoy’s body, the way his hands are shaking slightly, the way his lips are red and swollen, to the way his hips twitch as if fighting the need to move.

Spock swallows, his throat dry, then, in a voice lower than he intended, he murmurs. “I want you.”

McCoy whimpers. The sound is small and wrecked, something pulled from his throat against his will—And Spock feels it. The effect of it. The way McCoy’s body reacts, heat spiking, his fingers clenching against Spock’s uniform like he wants to tear it off him . Spock wants more . So he leans in, lips barely brushing McCoy’s jaw, breath warm as he whispers. “I need you...”

McCoy shudders at that his entire body arches, his head tipping back, breath escaping in a ragged, helpless sound.

Spock presses forward, his mouth dragging down McCoy’s throat, biting, sucking, leaving marks, feeling McCoy’s pulse hammering against his lips. McCoy moans at his ministrations, his hands scrambling at Spock’s back, gripping, clinging , his thighs parting instinctively, his hips pressing up against Spock’s in a way that makes Spock groan.

“Spock—” McCoy’s skin is hot beneath his lips, his hands gripping at Spock’s back, his body moving, grinding up against Spock’s as if he can’t help it— “Fuck—need you—inside—” Leonard manages , his voice rough, desperate, wrecked.

The words send a shockwave through him, deep and visceral, curling low in his stomach, making his control slip even further.

Inside. Leonard wants him inside .

Spock exhales shakily, his grip tightening on McCoy’s hips, his fingers pressing into warm skin as he processes what has just been given to him. A request. A plea. Surrender.

McCoy’s hands are still clinging to him, gripping at his uniform, his breath coming in sharp, uneven gasps, his body shifting beneath Spock’s, offering itself up. He has never wanted this much before—never felt this much before, his mind a haze of need and sensation, his body burning with it. McCoy fingers twitch against Spock’s back, his throat working as he swallows hard, his pulse a rapid staccato beneath flushed skin. Then, grinning, a little breathless, voice hoarse, he teases him.

“Did I break your brain, Spock...?”

Spock’s breath catches. Then, without a word, he grabs McCoy’s thigh, spreads him open, and presses down. McCoy gasps, the teasing evaporating instantly, his head snapping back, breath stuttering into a wrecked, needy sound as Spock grinds against him, pressing him down into the mattress.

“Jesus fucking— ”

Spock does it again and McCoy arches, his fingers digging bruises into Spock’s shoulders, his thighs spreading further, his body begging for more without words.

Spock’s voice is low but threaded with heat when he finally speaks. “You did not ‘break my brain,’ Leonard,” he murmurs, dragging his lips over McCoy’s throat, biting down, then he adds. “But I might break yours….” McCoy moans. The sound is raw and helpless.

“...Dirty talk?!” McCoy gasps, his voice wrecked, somewhere between shock and desperation. “Fuck—you can’t just—”

His words cut off as Spock’s hands move to his trousers, fingers working at the fastenings with intent. McCoy sucks in a sharp breath, his body tensing, thighs spreading further even as his brain struggles to catch up. His hands twitch against Spock’s back, his heart hammering against his ribs. And then Spock pulls at the fabric, dragging his trousers down his hips, exposing more of his skin , more of the heat radiating from his body.

McCoy groans, head tipping back, the movement unthinking, purely instinctual.

Spock watches, observes. McCoy is beautiful like this. Dishevelled and breathless. Wanting. His flushed skin, the sharp rise and fall of his chest, the way his lips part around gasping, wrecked breaths—Spock has never seen him like this before. And he wants. Spock swallows hard, fingers flexing against McCoy’s thighs.

“I can...” he murmurs, voice smooth, almost steady, threaded with heat . “And I will.” McCoy whimpers. How—fascinating. Spock tilts his head slightly. “You like it...” he states. Not a question. A fact.

McCoy moans as his head turns to the side, as if trying to hide his expression, trying to escape what is being said aloud. Spock does not let him.

He presses forward, his mouth ghosting along McCoy’s jaw, lips barely brushing skin as he continues. “You like the way I talk to you.”

McCoy shudders and Spock’s fingers tighten on McCoy’s thighs, pressing him down, keeping him open for him, keeping him where he wants him . “You like hearing what I plan to do to you...”

McCoy gasps, hips twitching, hands scrambling against Spock’s back as if looking for something to hold on to.

Spock leans in, lips brushing the shell of McCoy’s ear. “You need it.”

A wrecked noise escapes his throat, his entire body arching, his legs spreading further in blatant, desperate invitation. His hands push McCoy’s trousers lower, down to his knees, his palms dragging over newly exposed skin, heat against heat, mapping out every sharp inhalation, every reaction. McCoy is panting , his hands tight on Spock’s back, his breath shaking as he whispers—

“Jesus fucking Christ, Spock—”

He presses forward, his mouth dragging along McCoy’s throat, his hands sliding over bare skin, taking his time , feeling the way McCoy burns beneath his touch, then he reaches lower. McCoy gasps, his entire body tensing, his fingers digging into Spock’s shoulders—He moans Spock’s name.

Spock shudders, he has never heard McCoy say his name like that before—never heard it wrecked, desperate, pleading. Not like this. It ignites something deep in him. Something primal, something that wants to hear it again. Spock knows how to have sex. He has studied it, of course—both in Vulcan biology and human physiology. He knows the mechanics, the steps required for compatibility between two men. He knows that the one receiving must be prepared. But knowing is one thing. Experiencing it is something else entirely. Because every time his skin drags over Leonard’s, he gets feedback—waves of heat and hunger and sheer, desperate need, rolling into him in pulses so strong they nearly knock the breath from his lungs.

McCoy is wanting so loudly. Not with words, not even through a bond, but through his body, through the way he moves, through the way his fingers grip Spock’s arms, through the way his breath catches every time Spock so much as touches him. It is staggering. Spock swallows hard as his hands are still dragging down McCoy’s bare sides, memorizing every shift, every shudder, every reaction. McCoy is so receptive, so willing, offering himself up without hesitation.

And Spock—He wants in a way that is, well not logical, in a way that makes his control fray. He thinks about it. About preparing him. About the process of stretching him open, of easing his body into readiness, of slipping his fingers inside, feeling the tight heat that awaits him... And then the thought escalates. Because if McCoy’s mouth did that …If just sucking on Spock’s fingers had left him shaking, barely able to breathe. What will his body do, what would his ass feel like wrapped around his fingers?

Spock shudders, the thought is too much. It is dangerous, threatening to undo him entirely. McCoy is beneath him, panting, writhing, waiting—Spock swallows hard, his voice low , rougher than he expected when he finally speaks.

"Do you... have anything to ease the way?" Spock asks, his voice low , steady despite the storm raging inside him. "I would rather not take you dry ."

McCoy reacts to that too. A sharp inhale, his fingers twitching against Spock’s arms, his body giving a sudden, almost instinctive jerk—like the words alone had done something to him. Spock sees the way McCoy's pupils blow wide, the way his breath comes faster, the way his lips part like he wants to say something but can’t quite find the words.

Fascinating.

McCoy swallows hard, his voice rough, wrecked when it finally comes. “Yeah. Yeah, in the drawer…” He barely manages the words, his hands scrambling to reach toward the bedside table. Spock moves first. He does not rush—his control is frayed, but it is not gone. He reaches, finds the drawer, locates the small bottle McCoy had clearly not been expecting to use tonight. And then he returns to him.

McCoy is spread beneath him, breathing still uneven, his body tense with anticipation . Spock watches him. Observes him. And then he presses McCoy’s thighs apart. McCoy shudders. His fingers clench into the sheets, his throat working as he swallows again, his chest rising and falling too quickly .

Spock sees it—the sheer expectation in him, the way his body is ready, offering itself up, waiting for Spock to take him. Spock’s breath shakes as he coats his fingers.

And then he presses one inside. McCoy gasps, his entire body jerks, his breath stuttering, his hands gripping tighter. Spock himself stutters, just slightly, his own breath catching in his throat as the sensation hits him. Heat. Tight, clenching heat. Spock expected it —had known what it would be like—The reality of it however, is overwhelming.

McCoy is so warm, so tight, his body squeezing around Spock’s finge, adjusting, taking him in. McCoy lets out a low, wrecked sound, his body reacting , his hips giving the smallest push forward, as if seeking more.

Spock groans, voice strained . "You are—" He stops. Swallows. Tries again. "You are very tight..."

McCoy whimpers, the sound is involuntary, pulled from deep in his throat, and Spock wants more of it. So he moves, pressing his finger deeper, stretching him, preparing him, feeling the way McCoy's body takes him in.

McCoy moans. "Jesus—"

Spock groans in response, his own body reacting, his restraint threatening to break entirely. And then, without thinking, he leans down, lips brushing McCoy’s ear, voice dropping into something lower, almost dark—

“You are taking me so well...”

“F-fuck— don’t say shit like that…” Leonard gasps, his body shuddering beneath Spock, fingers tightening in the sheets. Spock tilts his head, voice smooth, steady, but threaded with something deeper. “I see no reason to lie…”

And then he presses in a second finger and McCoy chokes on a sound, something between a moan and a gasp, his thighs trembling as Spock stretches him further. His body reacts, instinctively tightening, adjusting, pulling Spock in. The heat, the tight, pulsing clench around his fingers—it is not what he was expecting. The sensation is not like anything he has felt before. It is overwhelming, all-consuming, too much—And he is only using his fingers . He thinks about it. Thinks about what it will feel like when he is inside, when McCoy is wrapped fully around his cock, when that tight, wet heat is everywhere, gripping him, holding him in place.

And Mccoy groans, hips twitching, his breath ragged, fingers gripping harder against the sheets. "Shit—Spock—"

Spock focuses, presses deeper, his fingers curling, searching—McCoy gasps, his back arching, his body clenching around Spock’s fingers as a wrecked sound tears from his throat. Spock groans in response, his own body reacting, his own breath stuttering. It is just like before. Just like what Leonard had done to him with his mouth.

Only tighter. Torturously tight, gripping and pulling at his fingers, squeezing and shuddering around them, dragging him in.

Spock moans. It is low, broken. McCoy reacts to the sound, shaking, his body pressing down, taking more, his breath catching in something that sounds dangerously close to a plea. Spock adds a third finger. McCoy gasps , his entire body tensing, his head falling back against the pillows, exposing the long, stretch of his throat .

Spock watches him. Sees the way he takes it , the way he opens for him, the way his body adjusts so perfectly around the stretch. McCoy’s breath is shaking, his hips shifting slightly, pushing down, seeking —Spock’s restraint is gone. He leans down, his lips grazing McCoy’s jaw, voice low, barely a whisper.

“You are ready for me.”

McCoy moans as his hands grabs for him. Leonard’s hand grabs Spock’s just as he is about to sink in . The sudden touch sends a jolt through Spock’s body, a flickering pulse of something dangerous—because the moment their fingers meet, the connection surges back to life. McCoy’s breath catches —his body stutters beneath Spock as the feedback loop flares, the raw, unguarded need between them flooding into Spock’s nerves again. It is too much. McCoy is so open, his mind screaming want, his body burning with anticipation, aching for Spock to fill him, to take him. Spock shudders. His own body responds before he can stop it, his hips twitching forward, the sensation of McCoy’s heat against him nearly undoing him completely. McCoy moans, his grip tightening around Spock’s hand, his thighs spreading further, his body offering itself up in full surrender. Spock’s breath is shaking. His composure is gone. He presses closer, their bodies aligning, the blunt head of his cock pressing right at McCoy’s entrance, waiting. McCoy whimpers, his fingers clenching around Spock’s, his body tense with anticipation.

Spock feels the shiver in McCoy’s muscles, the pounding of his heart, the way his breath comes in sharp, desperate gasps . Leonard McCoy, who fights everything , who rages against control, who argues and snarls and never surrenders—Is trusting him with this . Spock swallows hard. His fingers tighten around McCoy’s hand, locking them together, the bond steadying, holding and sharing.

Then he presses in. McCoy groans. His breath stutters, his thighs tensing, his body clenching around Spock as the first inch sinks inside. Spock groans as well, his head snapping back, his entire body shuddering as he is consumed by the heat of it, the tightness, the pressure, the way McCoy takes him.

McCoy’s grip on his hand tightens , fingers squeezing hard , as if grounding himself , as if anchoring Spock to him . Spock presses deeper .

McCoy moans as his back arches, his breath shaking. Spock can feel it—through the bond, through the way McCoy’s body adjusts, through the way his mind shudders under the weight of it. It is staggering.

McCoy shudders, his voice wrecked . "Fuck—you're—big—”

Spock groans, his fingers flexing around McCoy’s. "You feel—" He stops, swallows hard, forces himself to breathe. "Perfect." 

Spock presses deeper, his hips rolling forward, sinking in, stretching McCoy further, claiming him inch by inch. McCoy gasps, his other hand scrambling at Spock’s back, his breath coming faster, his body adjusting, taking him in fully. Then, Spock is buried inside him . McCoy shakes beneath him , his thighs trembling, his fingers still locked with Spock’s, his breath coming in short, uneven gasps.

Spock himself is shaking, his body strung tight, the sheer overwhelming sensation of being inside threatening to unravel him completely. The heat . The tightness . The raw, unbearable pleasure. Spock groans, his forehead dropping against McCoy’s shoulder, his free hand gripping McCoy’s hip like a lifeline. McCoy exhales sharply, his other hand coming up to tangle in Spock’s hair, pulling him closer. Spock does not move. He cannot move. Not when he is this close to losing himself, not when McCoy is still adjusting, still trembling beneath him. McCoy shifts , his breath still ragged, his voice hoarse as he finally speaks .

"Spock—" A gasp. "Move."

Spock groans as his grip tightens. And then he obeys.

Spock moves, and it is, beyond anything he has ever felt before. The sheer sensation of it, the way he is enveloped in Leonard’s heat, the way McCoy’s body clings to him, holds him in a tight, desperate grip—it is overwhelming, but it is not just that. Because their hands are still locked together . And the bond is still open. So Spock does not only feel himself sliding deeper—he feels it through McCoy, too. The sensation of being inside—and the sensation of being filled.

Of taking—and of being taken. It loops between them, feeding into itself, amplifying with every slow thrust, every inch that Spock buries deeper inside. McCoy gasps, his fingers tightening around Spock’s, his other hand gripping Spock’s arm, pulling him closer, like he wants more, like he needs Spock to take him completely.

And Spock feels it . He feels McCoy’s mind reeling , feels the sharp spike of pleasure as he presses deeper, as McCoy’s body adjusts , as his breath stutters .

It is intoxicating .

Spock lets out a low, wrecked groan, his body shuddering as he fights to keep his pace steady , controlled , but it is so difficult , because McCoy is so tight , so warm , so perfect around him .And McCoy— he is losing himself , too. His body shifts beneath Spock, his thighs spreading further , his head falling back , his breath coming in helpless, gasping moans as Spock fills him over and over again .

Spock feels all of it, McCoy’s pleasure, his need, the sheer, raw sensation of being taken—and the way that only makes him want more. Spock groans as his head drops to McCoy’s shoulder, his free hand gripping his hip as he moves deeper,he sets a slow devastating rhythm.

McCoy whimpers, his voice breaking. “Spock—fuck—”

Spock shudders. The way McCoy says his name—wrecked and desperate, full of so much need. He wants to hear it again. So he gives McCoy what he needs. He thrusts deeper , his grip tightening , his mouth dragging along McCoy’s jaw as he murmurs—

“You are taking me so well...”

McCoy shatters as his entire body arches, his breath stuttering, his grip on Spock’s hand crushing as his body clenches around him, pulling him deeper, tighter. Spock groans, his own body reacting to the sensation, his restraint fraying, his rhythm picking up, his movements harder, more desperate. McCoy gasps and moans, shakes beneath him, his body surrendering completely to Spock’s touch. Spock wants more. He wants McCoy wrecked. He wants him undone. Each slow thrust buries him deep, stretching McCoy further, pushing into heat that is almost too much, almost too tight, too perfect. And through their joined hands, through the bond that will not close, Spock feels it all, not just the pleasure of being inside—but the opposite, too. The sensation of being filled. Of being taken. Of every deep, measured thrust pressing into him from both sides, feeding back into itself, looping in an endless cycle of need .

Spock shudders, his breath ragged, his control hanging by a thread. McCoy is panting beneath him, his body rocking into each slow thrust, his thighs tightening around Spock’s hips, his free hand gripping at his back like he needs something to hold onto—like he needs Spock to keep going. Spock does not stop. McCoy’s pleasure feeds into him, his body reacting with every movement, his hips twitching up, meeting each thrust with desperate, frantic need… The way McCoy’s body clenches around him, gripping him tight, pulling him deeper. Feels the way his own name spills from McCoy’s lips in broken, wrecked moans, each one sharper and higher than the last. Feels the sheer pleasure rolling through McCoy’s mind, raw and unrestrained, shaking through the bond with every thrust, every press deeper, every perfect, torturous slide.

Spock’s breath stutters. His own pleasure is building, curling low and tight, coiling like an unstoppable force that will break him completely. McCoy feels it. Because Spock feels it. They are mirrors now—taking and being taken, feeling and giving feeling, sinking into each other so completely that Spock cannot tell where he ends and McCoy begins. Spock groans, his fingers clenching around McCoy’s hand, his movements becoming rougher, desperate. McCoy gasps, his head snapping back, his body arching, his breath catching in a strangled, wrecked moan.

“Spock—”

Spock shudders again, the way McCoy says his name, it destroys him. His rhythm stutters, his thrusts coming harder, faster, pushing deeper, his control disintegrating. McCoy shakes, his body gripping him, pulling him in, his moans becoming higher, more frantic, his thighs trembling around Spock’s hips. Spock is going to break . He can feel it— knows McCoy can feel it too. Knows that when he goes over, McCoy will follow him into it. Knows that when he falls apart, McCoy will fall with him. So he lets it happen. He buries himself deep, his breath catching, his body tensing—and McCoy shatters beneath him. His body clenches tight, his breath escaping in a sharp, broken cry, his entire form trembling as he lets go completely, the moment McCoy shatters beneath him, he feels it. The sharp, uncontrollable clench of McCoy’s body gripping him tight, holding him inside, the pleasure that slams through the bond, dragging Spock with him.

It is too much.

McCoy gasps as his fingers clench, crushing Spock’s hand, his body trembling as his release takes him apart.

Spock breaks, low, wrecked groan rips from his throat as he spills deep inside, his entire body shaking, pleasure crashing through him in waves so overwhelming he cannot breathe. McCoy moans, his body still rocking against Spock’s, his thighs quivering, his chest heaving with each desperate, shuddering gasp. Spock feels the pleasure, the aftershocks still rolling through McCoy’s form, the way his body twitches, still clenching in small pulses around Spock, milking every last drop from him.

McCoy feels Spock’s pleasure, too. Spock knows he does, because McCoy shudders, his breath catching, his grip tightening, his body reacting as though he is still feeling it, as though Spock’s own release is his, too. Spock is still inside him, still filling him, still connected, their hands still locked together, the bond still thrumming between them. Spock lets out a shaky exhale, his body still trembling, his forehead pressing against McCoy’s shoulder as he fights to steady himself. McCoy is panting, his fingers weakly gripping Spock’s arm, his breath still uneven, his body still reacting to the intensity of what they just shared.

For a long moment, neither of them move. They are both spent, bodies slick with heat, breaths mingling in the close space between them. Spock does not know how long they stay like this—wrapped around each other, bodies still joined, the connection between them still humming, still lingering in the edges of his mind. McCoy shifts, his body twitching slightly, his breath still heavy. His fingers loosen around Spock’s hand, but he does not let go completely.

“…Shit...” McCoy breathes, voice hoarse, almost laughing. “That was—” He stops. Swallows. Laughs, but softer. “Damn, Spock.”

Spock exhales through his nose. His own voice is rougher than he expects when he finally speaks. “I concur...”

McCoy huffs a breath, his body still too loose, too relaxed to properly argue. “Yeah, yeah. Just give me a minute, darlin’.”

Spock pauses. Darling. The word is soft, casual, slipping from McCoy’s lips without thought. Something warm moves through Spock’s chest—something that should not be there, something that is not logical, but something he does not dislike.

He does not comment on it. Instead, he adjusts slightly, his body still heavy against McCoy’s, still inside him, still filling him completely. McCoy hums, his fingers drifting lazily down Spock’s back. “…Not in a hurry, huh?”

Spock exhales. “I find myself… comfortable .”

McCoy chuckles—low and satisfied .

“Good,” he murmurs. “Cause I think I wanna stay like this for a while...” McCoy squeezes Spock’s hand softly before finally letting go, his fingers slipping away with a slow, lazy drag. Then, with a deep, satisfied exhale, he slumps back onto the bed, his body completely boneless beneath Spock’s weight.

“Well…” McCoy drawls, voice thick with spent pleasure, his chest still rising and falling in slow, uneven breaths. “That was… something.”

Spock remains where he is, still inside, still connected, feeling the slow, residual pulses of McCoy’s body adjusting, the aftershocks of pleasure lingering between them. McCoy shifts slightly, stretching his legs with a satisfied hum, then smirks up at Spock, his blue eyes heavy-lidded and full of something dangerous.

“Been a while, to be completely honest...” he murmurs. “Never been quite like this before.”

Spock does not respond immediately. Because he never has, either. Not once. Not with anyone.

This—all of this—was a first for him. But he does not say that. He knows how some humans view a first time when it comes to coupling—how it is often seen as significant, sometimes even sacred. He does not wish for McCoy to make unwarranted assumptions about what this meant to Spock.

So instead, he states. “Homosexuality is illogical to Vulcans.”

McCoy blinks, then raises an eyebrow, his expression dry. “Well, damn, Spock. That’s a hell of a thing to say right after fuckin’ me senseless...”

Spock exhales through his nose, adjusting his weight slightly, shifting his hands to rest on either side of McCoy’s ribs. “It is not a matter of prejudice, Leonard.”

McCoy snorts. “Oh yeah?”

Spock tilts his head slightly. “There is no chance of offspring. Therefore, it is considered a wasted release.”

McCoy stares at him, then he barks out a laugh, rubbing a hand over his face. “ How romantic,” he mutters. Then, shaking his head, he gives Spock a pointed look. “So what you’re saying is—Vulcans aren’t homophobic, but they kinda still are.”

Spock pauses . “…That is an oversimplification ,” he replies, voice carefully even.

McCoy smirks. “Is it?”

Spock exhales again. “Vulcans believe that all sexual activity should have logical purpose . If there is no chance of procreation, then—”

McCoy snorts again, cutting him off. “Jesus, Spock. If Vulcans only had sex to make babies, y’all would’ve gone extinct centuries ago.”

Spock says nothing. Because he cannot, in good conscience, deny that statement.

McCoy smirks wider, running a hand lazily down Spock’s chest, dragging his fingers over sweat-damp skin. “Besides,” he murmurs, voice low and teasing, “if it’s such a waste, then why the hell did it feel so damn good?”

Spock pauses again. His throat is dry. McCoy’s eyes glint, smug and pleased, like he knows he has Spock trapped.

Spock clears his throat. “There are… exceptions to every rule.”

McCoy grins. "I'm not sure I can go back to normal sex after all that," Leonard mutters, his voice still a little rough, his body still loose and relaxed beneath Spock’s.

Spock blinks down at him. "I fail to see how this was abnormal , Leonard."

McCoy huffs a breathless laugh, shifting slightly, his fingers still tracing idle patterns against Spock’s ribs. "Well, for one, I felt you feeling me—" He stops, shakes his head, still looking a little dazed. "And you felt me feeling you ."

Spock tilts his head. "Yes. That is the nature of a temporary bond."

McCoy lifts a hand, then, still smirking, presses his fingertips mockingly against the sides of his own face, mimicking the gesture of a Vulcan mind meld. "It wasn’t a mind meld, ’cause you didn’t do the—" Before he can finish, Spock calmly reaches up and corrects his fingers, placing them in the proper positions against his temple.

McCoy goes still, his breath catching slightly, his pulse giving a small, noticeable jump beneath Spock’s palm. Spock watches him, then, in a voice smooth but weighted with meaning, says—

"A mind meld is… more." McCoy swallows. His fingers twitch slightly beneath Spock’s, his throat working as he exhales. “Huh.”

Spock does not move his hand. McCoy’s voice is quieter when he speaks again. “More, huh?”

Spock inclines his head just slightly. "A true meld is permanent. A merging of minds, not merely sensation..." His thumb brushes the edge of McCoy’s jaw, barely a touch, but McCoy shudders at the contact. “It is… far deeper than what we just experienced.”

McCoy stares at him. Then, voice still low, still rough, he murmurs, " Jesus..."

Spock watches him, feels the small tremor beneath his fingertips, reads the barely concealed fascination in McCoy’s face. "Would you like to experience it?" Spock asks, voice smooth, but his meaning clear .

McCoy’s breath stutters. His eyes darken slightly. Then— A slow, lazy grin spreads across his face, his fingers curling against Spock’s side.

"Darlin'," McCoy drawls, voice warm, teasing. "You just might ruin me."

Spock’s lips twitch. "Perhaps." he allows. 

“Is that your version of asking me to marry you ?” McCoy drawls, shifting slightly beneath Spock, the movement making them both too aware that Spock is still buried inside him. McCoy smirks, blue eyes glinting with mischief, but his voice is still hoarse from earlier, still a little breathless. “ While you’re still inside me, no less. Real romantic, Spock.”

Spock does not react to the teasing. His expression remains as impassive as ever. His voice, however, is smooth, even, but laced with something dangerously sincere when he replies—

“I was thinking something less permanent,” he says, without missing a beat . “Just to show you .” McCoy’s breath catches—not much, just a fraction, but Spock notices. Before McCoy can respond, Spock continues, calm and matter-of-fact— “But if you prefer a bonding meld , then I could do that.”

McCoy chokes. On the casual delivery of them. His brain stutters for a full three seconds before he finally manages— “Jesus fucking Christ, Spock.”

Spock merely lifts an eyebrow. “I fail to see the issue , Doctor.”

McCoy stares at him, then he barks out a laugh —half-wrecked, half-incredulous, rubbing a hand over his flushed face. “You—” He huffs another breath, shaking his head. “ Spock. ”

Spock tilts his head, still inside him, still calm, still waiting . 

McCoy exhales hard , thinking —his brain still muddled with lingering pleasure, still reeling from everything that just happened.

A bonding meld . A permanent , irreversible , lifelong bond . And Spock had offered it to him as if it were nothing more than selecting an option from a menu .

 McCoy groans , dropping his arm over his eyes. “ Goddamn Vulcans, ” he mutters under his breath.

Spock waits a beat , then offers. “I take it that is a no .”

McCoy snorts , dragging his arm away, looking up at Spock with an expression half-affectionate, half-exasperated .

“Spock,” he says, voice dry, still a little breathy , “I just let you fuck me into the mattress, and your first thought is, ‘would you like to be psychically tethered to me for all eternity?’ ”

Spock considers. “That is not an inaccurate assessment, Leonard.”

McCoy groans again , throwing his arm back over his face. “I am too goddamn tired for this conversation.”

Spock’s lips twitch , just barely. "Then perhaps," he murmurs, voice soft, " we should rest ."

McCoy huffs another breath. Then, slowly, his body relaxes beneath Spock’s again , loose and sated , his fingers drifting lazily against Spock’s side.

“…You really were just gonna do it, weren’t you?” McCoy mutters after a moment, voice softer now. “Just… slap a permanent psychic bond on me like it’s nothing .”

Spock is quiet for a long beat. Then, voice steady , he replies. “It would not have been nothing .”

McCoy pauses . His breath catches , his fingers twitching slightly against Spock’s ribs.

Spock does not elaborate. He does not need to. McCoy swallows, licks his lips, thinking . Then—

“…Maybe just a temporary one,” he mutters, voice casual, a little too casual. “You know. Just to show me .”

"I would not ‘ slap anything on you’ without proper consent ." Spock says, voice smooth, calm—his usual precision returning, though it is still low , still weighted with something deeper .

And as he speaks—He pulls out . Slowly.

McCoy moans , his entire body shuddering beneath Spock as the sensation hits him , as the loss of being filled rolls through him in slow, dragging pulses . Spock feels it. Feels the way McCoy tightens around him instinctively , like his body does not want to let go, like he is still clinging to every last inch of sensation before it fades completely .

McCoy inhales sharply , breath catching, his fingers twitching against Spock’s ribs. And then— finally —he exhales, spent and satisfied , his body sinking further into the mattress, loose and languid in the aftermath.

" I know, darlin’ ." McCoy mutters, his voice low, thick with contentment —but threaded with something else . Something warmer .

Spock pauses . McCoy had called him that before—had let it slip in the hazy, unthinking aftermath of what they had done.

And now, he is saying it again . Intentionally.

Spock exhales slowly, shifts his weight, then moves to settle himself beside McCoy, their bodies still close , their skin still warm against each other. McCoy turns his head, watching him, his blue eyes still heavy-lidded , still soft around the edges. Then—without moving his body much—he lifts a hand , reaching toward Spock’s face.

Spock does not stop him . McCoy places his fingers mockingly on his own face, mimicking the incorrect placement of a Vulcan mind meld again .

Spock raises an eyebrow.

McCoy smirks, smug . "What? This ain’t how you do it?" Spock exhales, his lips twitching just slightly . "No, Leonard. That is not how you do it."

McCoy grins . "Then show me, darlin’."

Spock does . With slow, deliberate intent, he lifts a hand, placing his fingers in the correct positions —one on the top side of McCoy’s face, one beside the bridge of his nose , one at the side of his chin .

McCoy freezes . His breath catches , his pupils dilating slightly , the teasing glint in his eyes fading , replaced with something serious . Something expectant . Something ready . Spock holds his gaze for a long moment .

Then, softly—reverently—he murmurs the words—

"My mind to your mind… My thoughts to your thoughts."

McCoy shudders beneath him . And then the world changes .

Spock presses into McCoy’s mind, easing through the initial layer of thoughts. And it is intense . For both of them. But especially for McCoy.

Because McCoy has never done this before. Never felt anything like this before. Never learned to shield his mind, to hold back his thoughts, to protect himself from the sheer, overwhelming weight of another presence slipping inside.

And so, he feels everything. Raw, unfiltered. Every brush of Spock’s thoughts against his own sends a sharp, electric pulse through his nerves, like a shock running directly through his brain, and McCoy gasps , his entire body tensing, shuddering at the sensation.

Spock feels it, too. Through the connection, through the bond that thrums between them, he feels the way McCoy reacts —the sharp spike of pleasure mixed with disorientation , the sheer, uncontrolled vulnerability of his mind being touched for the first time.

McCoy is wide open . His thoughts are loud , unprotected , flashing wildly between sensations, memories, emotions —

Spock can barely keep up . There is no order, no logic, no restraint —just a raw, chaotic storm of Leonard McCoy , everything he is , everything he feels , spilling into Spock without filter .

Spock groans , his body shuddering at the sheer intensity of it. McCoy gasps again , his fingers clenching against Spock’s wrist, his pulse pounding as his mind tries to adjust, tries to process what is happening.

“ Fuck— ” McCoy gasps , his breath stuttering , his head tipping back against the pillow, his body tensing under the weight of Spock’s thoughts pressing into him.

Spock grits his teeth , trying to stabilize the link, trying to rein it in —

But it is not easy . Because he can feel McCoy’s mind grasping at his , clinging to it, pulling Spock into him just as much as Spock is pressing into McCoy .

It is an exchange . Not just Spock giving , but Spock receiving , too.McCoy’s emotions pour into him , his thoughts slipping through, flashing too fast , too much —

Heat. Spock. Want. Fuck, this is—this is too much— No, don’t stop—

Spock groans , his fingers twitching against McCoy’s face, his breath unsteady . McCoy feels it.

He senses it through the link, experiencing Spock’s own reaction to what they are sharing , and it only fuels the intensity further— A loop, feeding into itself.

Spock exhales hard , trying to regain control , trying to soften the edges of the connection, trying to guide McCoy through it. But McCoy is shaking .

His entire body is reacting , his breath coming in short, sharp gasps, his mind spinning from the sheer intimacy of it all.

Spock is losing himself, too . Because McCoy is not just feeling Spock’s thoughts . He is feeling Spock . And Spock is feeling him .

Fully, completely, unfiltered .There is no barrier now, no physical separation , no distance between them. Just this . Just them .

And it is deeper than anything Spock has ever experienced . More intimate than sex . More profound than anything physical. It is mind and mind .

McCoy is drowning in it. His breath hitches , his fingers twitching against Spock’s wrist, his throat working as he struggles to speak—

“ Spock— ”

Spock’s grip tightens , holding McCoy steady, keeping him anchored as their minds press together, as the connection solidifies , as their thoughts truly merge . Then, voice low, softer now , Spock murmurs—

"Do not fight it, Leonard… Let me show you."

McCoy shudders .

And then he lets go . And Spock feels it. All of it. The sheer, unrestrained force of emotion flooding into him, rolling in waves that shatter his usual mental barriers, that consume him with their raw, human intensity .

McCoy is so full of feeling. It is overwhelming, chaotic, blinding —passion, warmth, need , all of it woven together in an unfiltered rush of who he is .

Spock shudders , his breath hitching at the sheer depth of it.

McCoy feels everything so loudly . Affection, care, desire . A sharp, piercing love for his friends, for Jim , for the people who matter to him . A deep, unshakable loyalty—stubborn, reckless, fierce .

Spock feels the way McCoy sees him , feels the way he thinks of him, the way his mind lingers on the moments they’ve spent together, on Spock’s voice , on his hands , on the way his eyes glint just before an argument starts . It is intimate . More than Spock had expected , more than he had prepared for .

But beneath it all— There is sadness . A deep, aching sadness . Spock does not mean to linger on it —does not mean to pry —but it is there , woven through McCoy’s emotions so tightly that it is impossible to ignore .

And it is centered around Joanna. McCoy’s daughter .

Spock barely has time to process it before the memories surface .

A small hand gripping his. Soft blonde curls bouncing as she runs through a field . The sound of laughter —bright, clear, pure . A smile so wide , so genuine , so full of trust .

Then, distance . McCoy standing alone , a comm screen flickering before him, his shoulders tense , his expression unreadable but his mind screaming with emotions he refuses to show.

Regret. Guilt. A longing so deep it feels like an open wound .

Spock shudders , the weight of it pressing into him, filling his chest, tightening his throat . McCoy feels him feeling it , and panics . He tries to pull back , to shield , but it is too late . The thoughts are already there , laid bare between them, the bond too strong for McCoy to hide .

Spock tightens his grip against McCoy’s temple, grounding him, steadying the connection . "Do not resist, Leonard." His voice is soft, gentle , a stark contrast to his usual clipped tone. 

McCoy trembles beneath him, his fingers tightening around Spock’s wrist. " I don’t— " He swallows hard, his throat working , his mind shuddering under the weight of shared pain . " I don’t want you to see that. "

Spock exhales slowly. " I already have. "

McCoy flinches , his emotions recoiling —but Spock does not pull away . Instead, he soothes . He does not push , does not pry further —he simply lets McCoy feel that he understands . That he knows what it is to long for something unreachable . McCoy stiffens at first, his mind caught in a storm of conflicting feelings —

Spock hesitates for only a moment . He knows McCoy will see Vulcan as a human —will view it through the lens of emotion , will interpret things in ways Spock himself never had .

And yet—He decides to show him anyway.

Carefully, he shifts the meld, guiding McCoy’s awareness away from his own thoughts, his own grief, and instead, he offers .

McCoy gasps as the shift happens, as the images begin filtering in, his body tensing beneath Spock, his mind adjusting to the sudden change in focus. Spock does not rush .

He lets McCoy settle , lets him breathe before he opens his mind fully . Then, without hesitation , he shows him—

Vulcan.

The heat , first. The dry air . The weight of the twin suns pressing down on red deserts , casting long shadows over stone and sand. The city of Shi’Kahr , its tall, graceful spires cutting against the golden sky . The coolness of his family home, its walls precisely structured , its gardens perfectly cultivated , meticulously ordered .

His mother’s voice, soft but firm , calling his name with quiet affection . His father’s presence, standing tall, composed, unwavering . The weight of expectation , of duty , of proving himself worthy of both his heritage and his own existence .

McCoy inhales sharply , his fingers twitching slightly against Spock’s wrist as the memories wash over him. Spock feels the way he reacts —feels the sheer fascination , the curiosity, the deep, aching sadness curling beneath it. Because McCoy sees it as a human .

Sees the strictness of Vulcan culture, the way warmth is restrained , the way a child was taught control before he was taught comfort . Sees a young Spock , small but determined , schooling his face into an expressionless mask even as his heart pounded in his chest.

Sees the moment Spock was told. "You must master your human weakness."

McCoy flinches . Spock feels it . McCoy sees a childhood that is so different from his own—sees order where there should have been warmth , expectation where there should have been ease . 

And McCoy aches for him .

The emotion ripples through the bond before McCoy can stop it , unfiltered and raw , something deep in his human heart recoiling at the sight of a child taught to suppress , to restrain , to become something else . Spock lets him see it anyway .

Lets him see the Academy , the years of training , the disapproval from other Vulcans, the constant proof he had to offer just to exist among them. Lets him see every instance of choice —every moment he had to decide whether he was Vulcan enough or whether he was failing his father .

McCoy shudders , his fingers gripping at Spock’s wrist like he is trying to hold on to him , like he is trying to pull him back . "Jesus, Spock," McCoy whispers through the bond, the words slipping through in something closer to emotion than speech .

Spock does not answer.He simply shows him more .

His mother’s touch , warm and gentle , lingering on his shoulder.How he himself pulls away from her. His father’s voice , cold but constant , always present . His years at Starfleet Academy , surrounded by humans for the first time, their expressiveness unfamiliar but strangely compelling .

And then— The Enterprise. Jim’s grin , reckless and brilliant , a flash of gold and blue moving at warp speed. McCoy’s own presence , always there , always arguing , always challenging him , pushing against him in ways Spock had not anticipated , in ways Spock had not expected to want .

McCoy sucks in a breath , his grip tight on Spock’s wrist, his mind still processing the sheer weight of everything being given to him. Then, finally, voice quiet but so full of something Spock cannot name , he murmurs.

"I see you, Spock."

Spock pauses . His mind stutters around the words, something deep inside him faltering , something dangerous curling at the edges of his carefully constructed walls . McCoy means it . Not just the words. Not just the thought. The feelings . McCoy sees him .Fully. Spock decides to end it .

The connection has lasted longer than intended—has gone deeper than he had planned.

McCoy is too open , too unguarded , his mind bare and unprotected beneath Spock’s touch. He has never shielded before, never learned how to keep his thoughts separate , and Spock can feel it—

Can feel how much more he could take from him. How easy it would be to break him . Spock is afraid to stay tethered too long.

So he pulls back .

He withdraws carefully , easing away from McCoy’s mind with deliberate precision, retreating from the vast, unfamiliar warmth of his emotions, the sheer force of his humanity.

McCoy gasps softly as the bond severs , his breath stuttering , his fingers twitching slightly against Spock’s wrist like he can feel the loss .

Spock exhales slowly, his body steadying , his thoughts realigning .

And then before Spock can fully process the shift, McCoy pulls him in . Without hesitation. Without thinking . Strong arms wrap around Spock’s back, warm and solid , dragging him close , pulling him into something deep , something human , something that is not logical but is undeniably real .

Spock stiffens at first. The contact is unexpected—the sheer amount of it, the way McCoy’s body is still so warm from everything they have shared , the way his heartbeat pounds against Spock’s own. Then slowly, carefully , Spock relaxes .

McCoy’s hands move over his back , slow and soothing , dragging over the sweat-damp skin, tracing the planes of him in a way that is neither sexual nor chaste —just touch for the sake of touch . McCoy sighs into his shoulder, his fingers moving absently , tracing the ridge of his spine , dragging down and up again, a steady, calming rhythm .

Spock is not accustomed to this. To being held for the sake of being held . To warmth that is not a requirement but a gift . To someone giving without expecting something in return . He does not know how to respond to it. So he simply, stays there.

Allows McCoy’s arms to remain around him , allows the slow drag of his hands, allows the warmth of their bodies pressed together to settle into something quiet , something safe .McCoy exhales again , voice low, rumbling against Spock’s skin .

“That was a hell of a thing…” he murmurs, his fingers still moving , still dragging slow, steady lines over Spock’s back. Spock is aware that McCoy is hugging him because he is sad .

Not just because of the meld itself, not just because of the sheer intensity of what they shared, but because of what he saw .

Because of what Spock showed him . Because of what Spock saw in return . McCoy is grieving , in his own quiet way . Grieving for the child Spock had been , for the life he lived , for the strictness and the cold expectations that McCoy, as a human , cannot help but view as lonely .

And he is grieving for himself , too. For Joanna. For the distance between them, the years spent apart , the regret he carries so deeply inside him. Spock feels it.

Even with the meld broken , even with their minds no longer entwined , he can still sense it —the quiet weight of emotion , lingering in the way McCoy breathes , in the way his arms hold on , in the way his fingers move in slow, absent patterns against Spock’s back.

So he lets him . He does not move. Does not pull away. Does not dismiss the need for comfort , does not ignore the quiet, lingering sadness in McCoy’s touch.

He a llows McCoy to hold him. Allows the human closeness that he once might have recoiled from .

And then, after a long moment, Spock lifts his own arms and he hugs back . Slowly, deliberately, his hands come to rest against McCoy’s back, his body pressing closer , his movements careful but certain . McCoy stiffens slightly , as if surprised —but then, immediately , he melts into it, exhaling a slow, shaky breath , his grip tightening just slightly , his body settling into Spock’s. Spock is not used to this . To the act of embracing simply for comfort .

But as McCoy sinks into him , as their bodies remain entwined , as the silence stretches warm and steady between them. 

Spock realizes that he does not mind it .

Not at all.