Mrs Hudson: He’s more emotional, isn’t he? Unsolved case, shoot the wall! Boom, boom! Unmade breakfast, karate the fridge. Unanswered question… Well, what does he do with anything he can’t answer, John? Every time?
John Watson: He stabs it.
Mrs Hudson: Anything he can’t find the answer for, bang! It’s up there. I keep telling him, if he was any good as a detective, I wouldn’t need a new mantel!