When I was little I believed that periods were contagious and the next person that went in the toilet would get it
A childhood belief about periods

others believed things like this
- I used to think that guys had periods, too. — Laurie
- When I was little i believed that Madison Avenue was a person.Anon
- When I was 4 or so I believed if you touched a dead person you'd die too.— anonymous
- I also used to think that Mommies didn't have periods. I thought it went away once you had a baby.— T
- i thought the phrase "getting a boner" referred to men getting their periods. — astrid
- i used to believe that women wore bras because their periods happened in their boobies.Anon