If you give a princess the sun, then she'll want to raise it. Of course if she raises it, she'll be tiered and wont be able to raise the moon. If she cant raise the moon, then she'll need a sister to raise it. If she gets a sister then her sister will get jealous and get trapped in the moon. If she gets trapped in the moon then a prodigy will eventually realize she's escaping. And if a prodigy realizes a princess' princess sister is going to escape from the moon than you'll need to start a TV show.