"No, you jerk," Sally snapped, finally losing her cool. "I'm not just going to pick my feet up higher. You're going to start picking up after yourself or else I'm going to kick yo---"
She managed to cut herself off before finishing that sentence, even if it was pretty obvious what she'd been about to say. It was extremely unusual for Sally to get worked up about something like this, never mind threaten violence, considering she just didn't do the violence thing.