I used to believe that an erection only occured after a male was married and that it was a permanent thing.
A childhood belief about rude bits

others believed things like this
- I used to think that being drunk was permanent— Boyd
- i used to believe that if u got permanent marker on yourself it would stay there for ever and ever— abi
- When I was little I thought cows married horses, cows were all female and horses were all male. — Sheila
- I thought the word mailman was male man and it seemed dumb to me as aren't all men male?— andalite
- I used to believe whenever I got an erection it meant I had to pee.— Adam
- I used to believe that a homosexual is a man who doesn't have erection. — paatrik