All kids in Texas in the 50s & 60s knew that eating cherries and milk together would kill you. My wife, a kid in Germany at that time, knew this too.
A childhood belief about milk

others believed things like this
- I knew that dairy farms have silos so I figured that they're where the milk is stored.
— marianne - I knew lightning could come in through my bedroom window and kill me.
— Cyn - I used to believe that cow udders were hollow bags full of milk.Yet I knew that human boobs were solidAnon
- My wife used to tell our kids that if you pick your nose your brains would fall out— grampy
- I used to belief that farmers had to kill the cow to get the milk.— Juan
- I used to believe that eating Coco Puffs with Chocolate milk would give me diabetes.— Julie