At the age of 35, my aunt used to take her tampon off every time she needed to pee, because she believed evrything came out of the same place. My mom told me that she had casually referred to this in the hospital, after she delivered her second child. My grandfather, who is a doctor, was terribly embarassed.
A childhood belief about periods

others believed things like this
I used to believe a man and a woman needed a doctor to put their parts together when they did it.— Phil- Until i was 7,I believed that the stork actually delivered babies.
I was a very stupid kid....— DumbKid - my uncle was a doctor, so when he told me his vw could fly, i believed.— boodles
- when i was 4 i believed i could breathe under water, one day i decided to try it and woke up in the hospital!Anon
- When I was 4, I thought you chose and bought your baby at the hospital. I believed this until I was 6.Anon
- I used to believe that the Easter bunny delivered the newspaper. — Terisa