What is the most ridiculous favor anybody has ever asked of you?

When I was a teenager, my sister's boyfriend came to me and said: "I need you to do me a favor. My folks said it was OK if I have a sleepover date with your sister. But I need you to talk to your mom to get her permission to let your sister stay with me in my bedroom this weekend." I refused. I thought he was a crazy asshole. I never liked that guy.