Children have very active imaginations. If they don't know why something is, they'll make up a reason. While charming and adorable, children are usually wrong. People went on r/AskReddit to share some of these dumb childhood beliefs and the posts were nonsensical gold.
From Redditor u/Acceptable-Attorney
When you have a baby you have to push one of your testicles out and it became the baby egg. I had no idea how I was my parent's third child.
From Redditor u/NemuiNezumi
I thought if you left a video game on then a character would come out of the tv and kill you. I was a bit paranoid as a small kid
From Redditor u/SteakAndNihilism
That if April was a month, Ninja Turtles must also be a month.
From Redditor u/RosyMama
Grandparents were assigned to families. Like, I didn't know my Grandma was my Dad's mom.