Everything seems to be going well, going really much better than Sherlock expected. Maybe this was right, maybe John had been right to think they were really compatible. He'd have to thank Mycroft... okay no, that's going a bit too far.

It's almost too sudden when John shouts, as if he's hurt, or something has happened.

"John? John what's the matter?" Sherlock tries to talk to him, but it doesn't seem to work.

"John, whatever you're seeing it's not happening. It's just a memory!" Try to talk sense into him. Don't let John chase the rabbit.

"John!"