When I was younger, I used to think that sex involved the guy opening his fly (like when he has to pee) and then he'd put his penis in the girl's vagina, and leave it there for the night.
A childhood belief about sex

others believed things like this
- I used to believe that gay sex involved a man sticking his penis inside another man's penis.Anon
- i used to believe that a penis was the same as a vagina except really long— *stupid*
- i used to believe that if you have sex for too long, the penis would stay in your vagina— Angela
- i used to think that having sex was licking the persons vagina or penis until u got tiredAnon
- When I was a little girl, I thought all babies came from 'China' (a Vagina)— Lainie
- im a girl and i used to think my mom had a penis and i would eventually grow my ownAnon