"I hit you to keep you from 'doing anything,'" she snarls.

She's pissed, because she doesn't feel comfortable with pounding the shit out of him for the hell of it and she would ever so like to hit something. Also because he knows she's pissed and he's got one more thing to beat her over the head with. And also because she thought she was over this.

She curls her legs to her chest and seethes in his general direction.