Sorry! Sorry. Thought I had them. Didn't expect they would, you know ... [Vague hand motions.] ...topple. [There may be a bit of John Smith seeping into the Doctor's apology. After all, the clumsy teacher was him, in a way.] I'm usually better about these kinds of things. Amazing how many more mistakes you make when you can't see time properly anymore.
[And then, the fact that the other person knows his name catches up to him.] Sorry. Have we met? Or will meet?