I used to believe that since my Mom has light-colored skin, and my Dad has dark-colored skin that I must have started out light-colored like my Mom because we are both females, and that I must have played outside in the mud too long and that's why I was darker-skinned than my siblings. Of course, it didn't occur to me that my brothers weren't darker than I was, even though they were males.
A childhood belief about skin

others believed things like this
- When I was younger I used to believe that the darker your skin was, the dark your shadow would be.— Mary S.
- When I was younger, I used to think that people with different colored skin had different color poops.— Samuel
- I used to believe that the people who "colored" The Simpsons ran out of skin-toned crayons.Anon
- i used to believe that everyone had different colored pee. mine just happened to be yellow.— rick
- I used to think that little people in my penis had crayons and colored my pee yellow.— Ryan
- I used to believe that training wheels were the different colored beads on the spokes.— Samantha