When I was 16, I thought the reason boys had foreskin was to keep them from having sex, and that they didn't get circumsized until after they got married. Kind of like having a "wrapped" present...
A childhood belief about rude bits

others believed things like this
- I used to beleive that if you got married getting pregnant was just a random event. I was so scared of boys!— me
- I used to believe that circuncision was a natural process and that the foreskin fell off during puberty.— Yure
- For some reason, I used to think that a 'condom' was a kind of hairstyle. No idea why.— SW
- I always thought the song Blinded by the light went "Wrapped up like a dousche, another runner in the night"— Dawn
- I believed that when you got married (the wife) you didn't have to work. Boy, was I fooled. ha ha ha— Patty
- i used to believe nuns were married to jesus and priests were married to mary.— sunshine