When I was little, I believed that there was many different types of sex and that the main one was getting naked and rubbing your butts together, I thought this was just something adults did for fun, I didn't know the actual purpose for it.
A childhood belief about sex

others believed things like this
- I thought pads sucked blood from women. It wasn't until later in life that I knew their actual purposeAnon
- I always believed that we lived in Manchester (we didn't) but it was always the main place on the local news!— Richard M
- I used to believe jaywalking meant walking around naked in public (from naked as a JAY bird...)— Izzi
- I thought that babies came out of our butts until waaaay too late in life o.O— Tina
- Well I once believed that when someone was home alone, they'd walk around naked..Anon
- My dad used to tell me that Hostess Snowballs were only for adults. I believed him for many years— Jamie