I used to believe that when you turned 50, you would turn into the opposite gender.
A childhood belief about getting older

others believed things like this
- I used to believe that if I could kiss my elbow that I would turn into a girl (the opposite sex).— Rusty
- I used to believe Nuns are a third gender, a cross between men and women:)Anon
- I used to believe that the opposite of “impressed” is “pressed.”Anon
- i used to believe that everyone was born as the opposite sex, and that you changed when you started school.— llama
- i used to believe if i eat fish it would turn my stomach into a fishtank and make me turn into glass.Anon
- I used to believe that numbers had gender, that the odd numbers were boys and even numbers were girls. — Evelyn