I used to believe doggy-style was anal sex... I believed this all through high school.
A childhood belief about sex

others believed things like this
- When I was young, I honestly believed that I would die before I reached high school. Anon
- Until a few years ago, I believed this was a "doggy dog" world, rather than a "dog-eat-dog" world.— jemima
- I used to eat doggy chocs until my older brother told me that if I did I would have puppies.— EG
- I thought “rimjob” was a synonym for anal sex, turns out it’s even grosserAnon
- I used to believe that you got married right after you finished high school or college. Anon
- I thought that wars had to last four years... just like high school and college.— A. Falk