I used to believe that when I started menstruating, I would bleed to death from losing too much blood.
A childhood belief about general

others believed things like this
- when I was young, I heard that blood had iron in it. I thought blood was red because it was rusty.— Hunter
- I used to believe that if and when you got your hair cut it would all bleed— JC
- When I was about 10 I used to believe that if you burped too much it would make your liver bleed— Lenny
- My mum told me that if you sniffed poppies your nose would bleed.— Karen
- I used to think that if a fly didn't bleed when it was swatted, it would come back to life.Anon
- I used to believe that guns shot out blood because everytime somebody shot a gun in a movie you saw blood.Anon