He pressed his fist against the shower wall, leaning against it as he stroked himself, biting his lip. He was trying not to say the name that was threatening to come out. He shuddered and gave in to his want. "Sherlock...." He gasped.

Still in the shower, from years ago, was the jagged stone plug. John hadn't used it, but it sat there, as a reminder to him. Mostly because he liked the way it felt for the god to have him over and over.

John moved his hand faster, gasping. Fuck fuck. He wanted to come, he hadn't in all the years he'd been here. This would be the first... He moaned the god's name again, as his hand worked faster.