Because you have one. He knows you have one. If we're talking like we are now, and I ask you how your girlfriend is, it would just be conversation. Not with him. Wants to see how you react to those words coming out from someone who's proven himself dangerous as opposed to...anyone else.

[Will can be dangerous, but he doesn't want to be thought of that way. Dangerous on behalf of others, not dangerous in the purely destructive way.]

I know. I saw. I was here. I just didn't say much. Scale of "shut up" to "go fuck yourself right off a cliff"—what'd you tell Barty when he asked about her?