when i was like 3 i thought that when people reached a certain age they would turn the opposite sex. i dunno why.
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
- When I was little I thought the navel was a button to turn people off and on.
— James - When I was young, I thought that when you turn the blinkers on in the car, it made the car turn.— Cassidy
- I used to believe that once you reached a certain age you lost your imagination— Kiwi
- When I was young, I honestly believed that I would die before I reached high school. Anon
- I used to believe that when people die, they turn into a star.— Allan