Jo can't decide if it's weirder he's trying, or if it's weirder she's actually thinking about it. What in the hell would you (would she) ask? What fucking game is he playing by trying to trip her up with it? Why the hell would she trust that somehow after asking and answering a question each, he'd ever leave?

The space of half a second, eyebrows raised, before it rolls out as:

"What would I possibly want to know about that you know? How to keep a house at a thousand degrees?"