My brother use to think my mother got her period because she cut here "pee pee" (penis) off. He walked in on her peeing during her period once. I walked out and started muttering "ow, ow, ow, ow, ow...."
A childhood belief about periods

others believed things like this
- When my brother would go by condoms i thought that guys had period and that is what they usedAnon
- That you had to marry your sibling. During this period of time I devoliped a crush on my brother.— don't worry I'm a girl
- I belived what when i was peeing, a jellymonster would come out of my penis to punish me.— Shuyin
- I used to believe that you had to be on your period to get pregnant........— Tricia
- HA! I used to think when you got your period, you would just pee blood...I wish it was like that...if only.Anon
- i used to think that had to wear diapers when you were on your period— Jess