"Months. Why? You should know. Then again, I guess you did hit your head pretty hard."

He sucks in a breath, feeling himself go a little light headed at the joke. He'd seen terrible things, but it was different when it was your friend. A friend like Sherlock.

"As I said, I'm a pretty good doctor so I know you're not."

Looking sidelong at him, he asked, "What are you doing here?"