I used to believe having sex was when you would "sleep with someone". I mean sleep. And you had to roll around on the bed naked with a guy, and fall asleep. That's how you have sex, and that's how babies are made.
A childhood belief about sex

others believed things like this
- I used to think that babies were made when you press your mums belly button.
Then a baby would fall out— Chris Hyndman - When I was a child i used to believe that if i did not fall asleep an elf would come for me Anon
- I used to think babies where born naked because their mothers were too lazy to eat clothes for them to wearAnon
- I used to think that when my arm would fall asleep that it was raining inside my armAnon
- when i was a kid, i used to think that if i didn't fall asleep, morning wouldn't comeAnon
- Whwn I was about 6 I used to think that if a crow bit you you would fall asleep for 100 years!— Lisa