John pulled back a bit. "I've never done this for you before Sherlock. We've only been flatmates for a few months..." He bit his lip.

Was Sherlock someone from Camelot. From then? Was he a Knight or someone he had encountered?

"Just lay back down. Vertigo is nothing to laugh at." He urged Sherlock to lay back. Once the man had settled, he put the cloth back over his forehead.