HEre's a tip for hosts: you cannot always believe what prospective guests say. You have to screen better than just relying on guests saying they will follow your house rules. You need to look for red flags. And in this case, there was a big, fata$$ red flag, which was that the guest was booking for 16 people. How likely is it that someone booking for 16 people is NOT going to have a party??? Come on.