In kindergarden used to believe that if I drank milk, I would grow facial hair ["milk mustache."] But for some reason I didn't think this applied to chocolate milk, so for about 2 years I would only drink chocolate milk.
A childhood belief about milk

others believed things like this
- that black women breastfed chocolate milk instead of white milkAnon
- Chocolate, they say, rots your teeth. I believed if you drank chocolate milk, your bones would be brown.— Dellio
- I used to believe chocolate milk came from brown cows and regular milk came from black and white cowsAnon
- i used to think chocolate milk came from brown cows and normal milk came from white cows Anon
- I used to believe that brown cows made chocolate milk and white cows made regular milk.— andrew mient
- I used to belive chocolate milk came from brown or chocolate cows.Anon