She does not want to linger on this topic that causes him distress, she thinks apologetic thoughts in his direction and then attempts to change her thoughts to something that is less, uh, that. She is not interested in attacking his beliefs, just - thinking it through honestly while in her own head. Sorry.

"So, are there any other illegal vampire things that I don't know about? I hadn't known about the children, is there a reason besides it being kind of cruel...?"