I used to think that when two people had sex, they just slept in the same room for one night. So once when I spent the night at my friend's house, I refused to sleep in the same room as her.
A childhood belief about sex

others believed things like this
- When i was younger, i used to believe that the hanger in my room became a witch every night.— Laura
- I used to believe that when I heard noises from my parents room at night, they were praying. — Jugabamos
- I believed that the pictures on my nighties came alive at night and played in my room while i was asleep!!Anon
- i used to believe you slept for 100 hours every night.— skye-ness
- I used to think teachers lived at school, and slept there at night.— Stephanie
- I used to believe the living room furniture would party after we all went to sleep.— Ellen