[Ren doesn't seem too fussed by her manhandling of the skull, despite his remark on it - on the contrary, his gaze follows her bouncing it around before she kicks it away. As she continues, though, one of his hands comes up to his chin, fingers curling a little as if in a thoughtful (if somewhat cutesy) pose.]

Mmm, well, it depends a lot on the kinds of people, doesn't it...? Some people will do that sort of thing for power...or some might do it just because they're afraid of something. I think looking for something "better" to murder over is underestimating the way people will react to small things sometimes...don't you think?

[The actual words coming out of his mouth are standing at a rather strong contrast to the innocent, airheaded sort of tone he's still keeping. In a situation like this, he's not going to keep his facade strongly enough that he's completely useless to bounce ideas off, but he's probably not going as deeply into the subject of human reaction as he could.]