I used to believe that if you breathed in too hard your lungs would stick together and stay that way. At least that's what my older sister told me.
A childhood belief about general

others believed things like this
- i used to believe that if you swallowed gum, when you breathed in, your stomach would stick to your back— cope
- My older brother told me that everytime you sneezed your lungs would bleed. I believed this until I was 21!— Gem
- My sister told me once that if I sucked too much helium out of a balloon, my lungs would explode.Anon
- When I was i kid I used to believe that if i strained too hard while doin #2 I would poop my lungs out...— K.Gordon
- My older sister told me squirrels were poisonous, and I believed her until I was 9.— Jenni
- I used to believe that cows mooed out of their ears-because my older sister told me they did.— ella