Sherlock: When are you off work?
John: Mmmmm around 3… I think…
Sherlock: John?
John: Mmmm?
Sherlock: Are you falling asleep?
John: …Nope. Of course not.
Sherlock: You should know better than to try and fool me.
Sherlock: I’ll see you later.
Sherlock: Don’t forget the milk.