I once watched a video on youtube where a man slices his knee on a sharp rock and he gets a deep gash in his knee, when i was 5, and I was scared that if i got a deep gash in my knee, and I would die slowly since blood comes out
A childhood belief about skin

others believed things like this
- I used to think that your knee cap was called your knee ball.— Erika
- When I was a little kid and fell down and skin my knee, I used to think I was skinning my kidney.— G. Dedrick
- I used to believe that, in cities, if you dug deep enough in anyone's lawn, eventually you'd hit the concrete.— Kevin Fox
- When I was a kid I though facial hair on a man is what gave them the deep voice — Adrian Z.
- i used to believe there were invisible sharks in the deep end of the pool, thanks to my older brother.— Melissa
- I used to dig a super deep hole thinking it
would transport me to the galaxy — Rafaella