He felt Sherlock's heat radiating from beneath his coat, so he slipped the hand that gripped the lapel, under Sherlock's coat. John's hand rested on Sherlock's chest, on the place where his heart was. Then, he brought his hand to the small of Sherlock's back. The warmth there was overwhelming against John's freezing hand. His freezing hand was trapped between Sherlock's warm coat and his hot skin, covered by a thin layer of shirt only. John felt Sherlock's muscles move under his shirt and couldn't hold back a moan.
((Where are we going to? Shall we do a classroom-scene next?))