I used to think that sex happened on accident while clothed.
A childhood belief about sex

others believed things like this
- Until about the age of 13 i used to think that oral sex was 'normal sex' but fully clothed!!— Daveyd
- I used to beleive that sex was sitting clothed or unclothed making out.Anon
- the if you swallowed a fly by accident that you would then grow an appetite for dirt.— sarah
- I fully believed, up until about 6 years old, that the word 'accident' was a noun that meant 'burnt toast'.— Karl Goetz
- When I used to see the sign 'police accident' I thought it meant that a police car had crashed.Anon
- i used to believe that everyone had different colored pee. mine just happened to be yellow.— rick