"You have me, John. You have me." Bugger the doppelganger, he just wanted John, right now. But, at least they were already naked.

He rolled John over, onto his belly, then spread his legs. First, he thought, a feast. And John was very clean, having just gotten out of the shower, His skin was still soft and moist, tender, and just perfect.

Sherlock spread John's cheeks and took an exploratory lick. "Mmmmm."