[He stiffens, startled both by the way she seems to calm suddenly and the accusation. She's right, but it's not the kind of thing he's used to having people lay out so plainly, particularly here.]

H-hey, wait a minute. Don't make it sound like I just go around killing people all the time.

[He's probably one of the least murderous people he knows! Whatever that counts for when you hang out with hitmen and gangsters all day.

He rubs the back of his neck.]

Look, I'll cop to not planning much of anything--if it was a normal fight with a normal person, I'd say you're right. But you're asking for trouble if you run in headfirst when we don't even know what it is.