[ And oh, does Spock know it. He knows down to the second of when to stop once more, hips pressing and holding against Jim's, his fingers tight around his cock but going still, maintaining the pressure but not the friction. It keeps Jim wavering so close to that edge, the orgasm so close and yet impossibly out of reach with Spock holding it back from him.
But it also pushes Spock that much closer too, only his Vulcan iron will keeping him from succumbing to his own ministrations. The bond and the link are only enhancing it, letting Spock feel everything that he's putting Jim through—knowing what works and what drives Jim crazy affecting himself as much as it is Jim. He's trembling against Jim's back by the time he stops moving again for the third time, breathing harshly in his ear, the sense of not yet, just a little more all but shouted to himself and into the bond. ]
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But it also pushes Spock that much closer too, only his Vulcan iron will keeping him from succumbing to his own ministrations. The bond and the link are only enhancing it, letting Spock feel everything that he's putting Jim through—knowing what works and what drives Jim crazy affecting himself as much as it is Jim. He's trembling against Jim's back by the time he stops moving again for the third time, breathing harshly in his ear, the sense of not yet, just a little more all but shouted to himself and into the bond. ]