[The skittishness at least has the benefit of making him think that he should probably put more effort into this being sociable thing. So hey, he'll actually introduce himself properly.]

Keith. Uh... nice to meet you. [Much belated.] You said it's whenever you feel seriously threatened, right?

[A beat.]

Gonna guess knowing that I'm not actually out to hurt you is counterproductive for that.

[Unless, of course, he gets her by surprise, which... no, he hasn't crossed that off his list of possibles.]