Sitting in the drive through, waiting for cheap Mexican takeout.
She said, "It's my money, I can do what I want with it."
He said, "Yeah, but I'm not going to be that guy. I'm not going to be that guy who has his girlfriend pay for everything. And I still owe you from the last time."
"No, you don't. That money is gone, spent, gone. I'm not trying to be your Sugar Mama. It's more fun for me if you're there with me, so it's my money being spent on my enjoyment."
"Look, you're right. It's your money, so you can do what you want with it. Until we share a bank account, I have nothing to say about how you spend your money. But my money is mine, and I can do what I want with it, and I am going to pay you back."
Wait a minute, did the man who has so carefully avoided all mention of a future together just say, "Until we share a bank account..."???