One night when I was little I heard my parents making weird moaning noises since I couldn't sleep. I was convinced they were being attacked by a spider, for whatever reason.
Now I know good and well...
A childhood belief about sex

others believed things like this
- I used to believe that when I heard noises from my parents room at night, they were praying. — Jugabamos
- I used to believe when I was 5 that I was special because I couldn't get to sleep until 11pm at night — Carrie
- I used to believe in ghosts because I always heard noises comming from the cellar.— Sabrina
- I used to tape my mouth shut at night in case a spider would come along and make a web in my belly.Anon
- When I was liitle, I used to believe that if a spider would bite me than I would become Spider-Man!!!— IronManxD
- I used to think that a con artist was someone who was really good at making complicated art.Anon