McCoy, his mouth now working steadily along Jim's collarbone, ran a hand along the clothed inside of Jim's thigh, up towards the apex of her legs. Those trousers, besides being almost ridiculously too big, were very much in the way. Somehow, he mused absently as his wandering hand shifted below Jim's own waistband to stroke and tease the newfound sensitivity, he doubted they would be for long.

And Spock was entirely too far away, in his opinion - observation was all very well but right now, he wanted the both of them as close as possible; to know that, for now at least, they weren't going anywhere. So he pulled away from his ministrations at Jim's neck and glanced over his shoulder, extending his free hand towards Spock.