Hang up and change my phone number, and never leave my house again without something pointy tucked in my clothes.
What if Pokemon Mystery Dungeon were real, but instead of one of the starters you wake up to find yourself transformed into a FEEBAS? (Sort of a problem if you're in the middle of a field with no water nearby...)
What would you do if, when you wished for a million wishes from a genie, you exchanged places with him? (Genies technically would have millions of wishes for people...)