[He looks relatively irritated, having just been told that John is leaving to treat some random person when they've just started their experiments. Perhaps John mentioned it before, but Sherlock either ignored it or has forgotten.]
I can't leave so soon, you'll have to go on your own.
day 178; action
I can't leave so soon, you'll have to go on your own.
[So annoying.]
Let me borrow your tablet before you go.