You suddenly feel a wave of calm wash over you. You take a deep breath and realize it would not be the worst thing ever to be a woman under the right circumstances!
“Like, I’ll stay a girl,” you say. "For now! But we better make this worthwhile. I'm signing off on your last wish, and if I don't like it you're using it to change me back instead..."
“Awesome, deal!” Says your roommate, as he thinks about his last wish.