... but he is not sure whether he drinks alcohol or not, so he buys $100+ wines just to show that he can?

Buys Sunoco 94 for his big V8 gas hog pick-um-up truck and puts the charge slip in the console without even looking at it (how many of you actually look at your gasoline purchase charge slip?).

"If you had his money, you could throw yours away". (No, he would be poorer, and you could buy super-sized fries with it instead of regular.)

"You couldn't afford to live in his neighborhood." (Right! It would be a major step down ... carpet sign in front yard, and all ... SMH.)