Most people don't become pen pals by one of them writing a not-suicide note. Then again, Sherlock Holmes and John Watson have never exactly been normal, have they?

It's only natural that people create guidelines for their everyday interactions. However, when you're dealing with Sherlock Holmes and John Watson, nothing is ever normal.

The five times John was nearly too late for Sherlock, and the one time he wasn't.

John's first night in 221B Baker Street, set after the events of "A Study In Pink". Sherlock's late-night wandering keeps John awake.

"Rely on John, oh yes. Always, always, rely on John..." Missing scene for ep 2.3 "Reichenbach Falls" Revised 1/24/12.

He has practically just finished talking to Lestrade when it happens. A sudden dizziness assaults his brain, things tip sideways, and he barely catches himself on the arm of the sofa to slow his descent before he collapses altogether to the floor.