I used to believe that you only had to get naked from the waist down to have sex. I remember being really nervous and worrying about whether I would have to show a guy my boobs during sex or if I could just keep my shirt on. I was like, 12, when I believed this.
A childhood belief about sex

others believed things like this
- For the longest time I used to believe that the male ballet dancers were naked from the waist down.Anon
- when i was about 4 or 5, i believed that if i pulled on my nipples, i'd grow up and have big boobs.
— JW - When my brother was little, he believed that girls peed out of their boobs.— Emily
- My niece believed that the longer I breastfed my baby the smaller my boobs would get. She was 4 at the time.— M
- I used to believe jaywalking meant walking around naked in public (from naked as a JAY bird...)— Izzi
- Well I once believed that when someone was home alone, they'd walk around naked..Anon