Depending on how bad it is, I'd definitely try to pull something like this. Its blunt and funny enough to be a way to start conversation again. It's not really about the money, it's a means to engage. Your character and delivery are key, so it's not a formal attempt, more of a playful attempt.

I hope it helped!

Next step. build her a fort in the living room. Tell her it's just for her, but she may also invite you in to her fort. Give her Fort space, and she may give you Fort company