[Quark stops when House speaks. He's had the urge to talk to people ever since the doors shut, but because of the overpowering tension in the room he's kept his mouth shut. He'd contented himself to pacing slowly around, keeping his feet and his mind occupied so he wouldn't annoy anyone. He's glad for the invitation to start a conversation.]

No. I mean, I haven't really had any of those shadow things come after me before. Maybe it was attracted to your winning personality?

[Because this is definitely the perfect time for lighthearted banter. Maybe it has to do with the fact that Quark wasn't knee-deep in the action outside, but he doesn't seem particularly phased about the whole thing.]