“I’m not paying for it”

LUKE: Well, I should be getting going. You gonna write this meal off?
LORELAI: Why?
LUKE: Oh, we talked business. You gotta be thinking about these things.
LORELAI: No, I mean, why? I’m not paying for it. [Luke sighs] Exactly.

How often did Lorelai and Rory get free meals from Luke? We almost never see them pay, and they seem to storm off or run out without either eating or paying quite a bit. It might help explain how they manage to eat out so often without blowing the budget …