She bites her tongue about making a comment about him needing to learn that sarcasm is a thing, because it's not really necessary, and she doesn't feel like making a fuss over a tiny point.

But her grip does tighten on her staff as he approaches, an instinctive tension at a potential threat (she'd dismissed him as one while they were fighting, but that could always change), "You apparently have met many humans, most of us don't like unnecessary violence."

Not that she doesn't enjoy a bit of violence every now and then, but she's seen far too much of it.