I only found out last year that a pony is not a baby horse.
A childhood belief about general

others believed things like this
- I believed that pigs could actually fly. I'm 13 and found out this year that they can't.— Boy I'm Blonde
- I thought that gnats were baby flies, then one day I found out about maggots. yuck— Felicia
- I use to believe in the toothfairy until i found all my missing baby teeth in my mom's jewlery box drawer.— Ashley Bailey
- a donkey is just a small horse.Anon
- I used to think that beer was horse pee. Probably because that's what my mom told me...— Kara
- When I was three I used to believe that cow and horse are wife and husband.— xenia