i know that this is not very original, but i used to think that baby's came from the stork.
A childhood belief about reproduction

others believed things like this
- When I was a child I used to believe children were being brought by stork.— Matteo
- Until i was 7,I believed that the stork actually delivered babies.
I was a very stupid kid....— DumbKid - My mom used to tell me that she the stork gave me to her in exchange for a pound of kroger salt.Anon
- I had my wife convinced that Steven Hawking made his fortune as the original voice for the speak N spell toy.Anon
- I thought my neighbor breastfed her baby because they were too poor to afford baby bottles. Maybe they were!— Kristen
- on "highway to hell" i always thought it goes "baby see, baby do" instead of "hey satan, payin´ my dues"— Miss Understood