I used to believe that since humans peed a liquid that fish must have peed air and thats why there were bubbles in the water.
A childhood belief about general

others believed things like this
- I used to beleive that when I took a bath w/ my brothers, that if they peed in the water I'd get pregnant.— SabB
- I used to think when I peed in the shower as a kid, the water coming back through the showerhead was my pee.— gregg
- The more you cried, the less you peed.Anon
- I used to think girls peed from their butt.— Neil
- I was scared that if I peed too much, the toilet would flood— scarlett
- I used to beileve girls peed out their butt 😂Anon