Until I was 12 years old I thought that boy could control their erections and make their penis erect when they wanted to have sex. So when my boyfriend showed me his penis for the first time it was naturally erected. No need to tell you my reaction!
A childhood belief about rude bits

others believed things like this
- I used to think that Frankie Avalon sang, "Hey Penis, Oh, penis..." instead of "Hey Venus."Anon
- I used to believe that gay sex involved a man sticking his penis inside another man's penis.Anon
- I used to believe that gay guys had sex by sticking their penis in the other's penis.— Fanbrat
- I used to believe that every time you had sex your penis would get ywice as big.Anon
- I used to believe that a boy's penis came out of his bellybutton, so you couldn't see it all the time.Anon
- I thought that when gay men had sex they did it by one penis going inside the other! — AA