That's Not How Manners Work…
One day, Bill and Tom went to a restaurant for dinner. As soon as the waiter took out two steaks, Bill quickly picked out the bigger steak for himself.
Tom wasn’t happy about that: “When are you going to learn to be polite?”
Bill: “If you had the chance to pick first, which one would you pick?”
Tom: “The smaller piece, of course.”
Bill: “What are you whining about then? The smaller piece is what you want, right?”