There is a blink-akin to a deer-in-headlights, and then he blushes. He hadn't actually been flirting--at least not consciously. Not even necessarily unconsciously--it's been a while since he's been able to talk comfortably with someone. Especially a pretty girl. Especially a pretty girl that is not trying to kill him.

"Uh, I mean..." He started, before taking a breath. "I'm just used to being a loner, and having someone to train with again will be nice. Especially since it's someone I know nothing about except a name, pretty much."