IM SO MAD THAT I WILL LITERALLY PUNCH CALLISTO SURFACE!!!!!" Callisto: "NO IO PLEASE DON'T PUNCH MY SURFACE IF YOU DO I WILL CRY!!!" Ganymede: "HEY IO STOP THREATENING CALLISTO THAT YOU WILL PUNCH HER SURFACE OR ELSE I CALL JUPITER!!!" Europa: "I'm not gonna ask again- wait is there a earthling in our orbit?" you are confused because these four moons are larger than you and jupiter left before he forces you to be their new siblings