When I was little, I used to think that boys weren't supposed to have eyelahes and when I saw boys at school, I would wonder, "Why do they have eyelashes? Boys aren't supposed to have eyelashes!"
A childhood belief about eyes

others believed things like this
- I never knew why boys had to lift up the toilet seat...until my friend told me that boys had bad aim.Anon
- I used to believe the Beastie Boys were a boy band. Well, the name sounds similar to Backstreet Boys!Anon
- I used to believe that boys couldn't be teachers because they weren't smart enough. — Azz
- I used to think the word "european" had something to do with pee, and that kids weren't supposed to say it.Anon
- ~*i used to believe that boys had cooties lol*~— nik-a-lick (shakes)
- i uses to believe that boys wee'd out of their belly buttons.— boys and toilets