[Karkat cringes at first, definitely unused to the idea of any contact with her, but at least a pat to the hand is mild and benign. Not that it stops him from frowning up at her.]

Yeah, you're welcome, though it was your whole idea in the first place. Don't think I won't work hard, either. If I'm going to do this I want to do it fucking proper, not like some half-assed douchewad with his snout up his chute. Just don't beat me into a bloody pulp or something.