I used to believe all nice button up shirts were called blouses until I was in a crowd (of all places) and told my male cousin that I liked his blouse. Everyone laughed and my cousin said boys don't wear blouses.
A childhood belief about appearance

others believed things like this
- My cousin's mom told my cousin that pop makes you short. He probably believed it.— Molly
- I used to think a second cousin meant a cousin’s cousin.— Carlos Almonacid
- My cousin used to think that a group of nine singers was called a "niner".Anon
- Someone told me that they cousin who used to think rain was God peeing.Anon
- When I was six, my cousin told me that if I stuffed my bra the cops would come get me and take me to jail.— Juliea
- When i was 7 my cousin told me that thelma from Scooby Doo was a mad serial killer.— Rachel