Fear, anyone?

I spent the rest of the day trying to figure out how to pull it off, but I couldn't think of anything. How could I convince my parents to let me stay with someone they haven't met for a whole week? How could I get over there without anyone noticing me changing clothes? Could I really pretend to be a girl for a whole week without getting caught? If Amy or one of the other girls found out, what would they do? Would they call the police? Would her family call mine? I was just about to chicken out and tell Bobbi to forget it, when...