I used to believe that the amount of blood excreted was a great deal more than it is in reality.
A childhood belief about periods

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 guns shot out blood because everytime somebody shot a gun in a movie you saw blood.Anon
- My mom told me that rain would help me grow... at a small 5'3" the reality set in quickly.Anon
- I always thought 'virgin' was Marys star sign and could never work out why it was such a big dealAnon
- I used to believe that we had a finite amount of skin and that I would eventually run out due to pealing.Anon
- When I was a child, I used to know that using cheques you could spend an endless amount of money— lollo