He took Sherlock's cock in his mouth and groaned. It was heavy on his tongue and he loved the feeling. With a shiver, he slowly began to move his head up and down. Back and forth. He wanted Sherlock to enjoy this, to revel in the sensation. Fuck.

John was hard and aching and leaking. But he made no move to touch himself, relieve himself. He whined around his mouthful. It was causing his head to pound slightly. The pleasure was... It was intense.