[His eyebrows go up while she stumbles, but he can't outright deny what she says next. Instead he says nothing, pressing his lips together and turning his attention away to trail it slowly across the uppermost shelves of the nearby bookcases.]

Mm, well.

[She's right, in a way. He's never been cruel to her, but Crowley is rarely cruel to anyone without provocation (after which he can get somewhat unnecessarily dramatic).]

I'm not Good. With a capital 'G'. Kind of the whole point of being a demon. That doesn't mean I have to be... [Here, he waves a hand vaguely.] Uncivilised.