"Mom, how did the first person get on the earth?"
So we're not religious, so I stammered a bit and turned to google to show pics of evolution. We go through how they changed, and then how adaptation made people smarter and used tools. THen I get, "Mom, how did they make stuff out of nothing but trees and dirt, like houses and stuff?"
Daddy is the smart one in our house, I am loving the thoughtfulness, but seriously, I am out of my league here!
If you really want to be happy, no one can stop you.