"F*** you Luna! We all hate you and your night! Monsters come out at night! Stay out of my dreams! Why is it whenever my children have nightmares the last thing they see is you?! Bring out your sister! She's better than you!"
Do not believe anonymous insinuations from ponibooru. They are just being envious, they don't have such a high balcony to stare down from. And that water balloon... That's just a strange coincidence. Not her work, really.