She obviously thought you had money. Don't matter how old and fat you are if you got money.
Come to think of it, she might have looked a bit disappointed when I started tossing my purchases into the back of the beat up old 92 2WD Toyota which I use as a commuter.
She saw all of those new cloths and saw $$$$$'s.
Yep!
You gots a p---y, you can get money.
You have money, you gets the p---yy.
Universal algebra!