Being an 11 year old with to much knowledge for her own good, I was little disturbed when my friend walked up and told me she had started masturbating...I found out later she meant menustrating.
A childhood belief about periods

others believed things like this
- I recently very disturbed to learn that Al Jolson was in fact Caucasian.Anon
- I used to think that if a movie was advertised on the side of a bus, that meant it was really good. — Aretia
- I thought that a person's motorskills meant how good they were at driving!Anon
- 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 when someone was described as being "mild-mannered" it meant they didn't have very good manners— Samilton Duerheiser
- I only found out last year that a pony is not a baby horse.— Mescaline Frumblethond