Partygoer 1: "Hey man, where are the cups?"
Host: "The cups are in my room. Give me a few bucks and I'll get you one."
Partygoer 2: "You are charging for cups?"
Host: "We are using my house, I should not have to pay anything for the keg."
Partygoer 1: "Damnit I hate break-even parties."