[ she waits patiently while he processes. Someone so repressed and so intellectual is going to need time with this, but that he didn't outright say no probably means he wants to say yes. He's not the type to spare her feelings even if her feelings would have been hurt if he rejected her offer, which they wouldn't have been. ]

Good. I hope you do. I have a thing for the smart ones. [ Not flattery at all, it's a pattern by this point. ] If you want to take me up on it, just ask if I'm free that evening, I'll know what you mean.

Should we take on the ghosts? [ You're welcome for the subject change! ]