I used to think that women couldn't control the flow of their periods only because they never tried. I was convinced that when I got my periods I would 'hold in' the blood until I peed, then I wouldn't have to worry about spots or leaks or any of that. I still wish it could work that way :)
A childhood belief about periods

others believed things like this
- i used to believe that women wore bras because their periods happened in their boobies.Anon
- a male friend of mine used to think that only women who had been pregnant had periods— oiman
- I used to think that guys had periods, too. — Laurie
- 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 when iwas young that during periods, one bleeds through thier breastsAnon