My brother once said to my mom, "I know the difference between boys and girls...boys heads are round and girls heads are funny shaped." He thought that because my moms hair was puffy and made her head look like a different shape if you were sitting in the backseat behind her and didnt know better.
A childhood belief about general

others believed things like this
- I thought that the difference between girls and boys was that girls have teeth.
Anon - I always thought when I was a kid that Milo is for boys and that milk are for girls. . . — Cathyia
- i thought cats were girls and dogs were boys. Anon
- I always thought cats were all girls & dogs were all boys ... I have no idea why.Anon
- I used to believe that the reason ladies had big bouffant hairdos was that their heads were shaped that way.— Bea
- I used to believe that heads of state had diferent kinds of heads on their shoulders— stupid elado