Until *way* after I was old enough to know better, I believed my own "common sense" theory about breast milk. I thought all women had a built-in supply of powdered milk in their nipples, and just produced hot water when they had children... Like a coffeemaker.
A childhood belief about reproduction

others believed things like this
- When we were little my sister thought if you mixed cow’s milk and water you’d get goat’s milkAnon
- that black women breastfed chocolate milk instead of white milkAnon
- When I was little I thought that black babies who were breast fed got chocoate instead of white milk.— Susan
- I used to believe that The Horse was The Cow's husband, and that it produced chocolate milk.— Laura
- I used to believe the Golden Calf produced liquid gold instead of milk.— Trisha
- I thought that the song "Built this City" by starship went as follows. "Milk and Cereal, Rock and Roll"Anon