Sherlock was desperately wishing that he hadn't already just come. His body wanted to react, but it was just too damn soon. He could still feel the endorphin rush from the orgasm that had just waned a couple of minutes before.

"John...." He groaned softly, wanting to step closer but not daring, wondering what the precome would taste like on his lips. He put his hand up to his mouth again, knowing that watching this was going to draw the most exquisite noises out of both of their mouths.