3 year old's Question of the Day

Bupba: "Why do moons have to be here at night?" Mommy: " Ummm..well....why do you think moons come out at night" Bupba:"cause it's dark and the world needs a night light?" Mommy:"I suppose that could be why, can you think of any other reason?" Bupba:"it keeps the sky from falling!?" ( Like a button holding a shirt closed I guess he means?) Mommy:" LOL... I suppose that could be too...but....the real reason the moon is in the sky at night is becasue it is really there all the time, it is just that it is so bright in the daytime that....." Bupba:"Mommy, I'm firsty... can I have a drink of milk pwease?" Mommy:"Uh...oh.. umm ok...you can't see the moon when it is daytime, but it's there...come on let's get you some milk" Bupba:"fanks mommy"