i used to believe (until i was about 20) that i needed to stand up when i was wiping my ass. i had never seen anyone wipe before, so it just seemed natural to me that one would stand. it wasnt until my boyfriend commented on it that i realized that it was possible (and preferable) to do it seated!
A childhood belief about weeing and pooing

others believed things like this
- I used to think that adam and the ants' stand and deliver was 'stand in your liver'.....— wook
- When I was a kid, I used to believe that when people died, they would stand up and walk to their own graves.— Mark (england)
- When I was little, I thought that since boys stood up to pee, they could stand up to poop.— Lacey
- I used to think that "No standing signs" meant that you weren't allowed to actually stand in the area!Anon
- When I was a child I used to believe that stand up pianos actually told jokes as well as playing music.— L MAN
- if you stand on your nose and sing the blues you wont get hiccups for a month.Anon