[It's more or less at his mouth, actually, complete with fingers sort of in his mouth--but that's all right, he doesn't mind. He even goes so far as to nip affectionately at those intrusive fingers.]

You are, actually. I know when you're squiffy because you get that smile, the one you've got on right now--

[But, laughing, he relents to the question.]

I did top-secret things and learnt a charm to blow a hole in a concrete wall. What did you do, besides get squiffy for me.