He had to admit, it was rather nice, watching a part of himself dribble down John's arse. It made for a lovely mental picture that he was going to file away for later.

"Stay. Stay the night, or move in? We don't even know each other yet." Of course that was a lie when it came to Sherlock. He had seen John, known him from when he was only a few hours old. But he didn't need to know that.