I thought parents had sex only one time, right after they got married. In fact, I pictured it happening in a stall of the restroom of the Mormon temple where the wedding had just taken place. I was shocked to learn both of the activity's frequency and its close physical proximity to my own bedroom.
A childhood belief about sex

others believed things like this
- I used to believe that the Mormon Temple in Washington DC was Disney World. It sure does from the belt way.— William Scheren
- When I was 5, I thought the "restroom" was actually a place you went to take a nap. Anon
- I used to believe that having children could only happen after a wedding with the person you are married to.Anon
- I always pictured the good Samaritan as a Samurai. Still do, in fact.Anon
- I recently very disturbed to learn that Al Jolson was in fact Caucasian.Anon
- When i was little i thought that the soul was a physical part of your body that looked like shell pastaAnon