As I had never seen my parents go to the toilet for a No 2 I had the firm belief that as you got older you stopped needing to have a dump. I went around two weeks without going when I was about 10 and thought "this is it, I've hit puberty"
A childhood belief about weeing and pooing

others believed things like this
- I used to belief sloths lived in trees outside my childhood home. My older sister told me so.Anon
- Lightning and thunder were produced at the garbage dump.— penny
- I used to believe that circuncision was a natural process and that the foreskin fell off during puberty.— Yure
- I thought that toilet paper was bread and by puting it it the toilet i was feeding the ducks at the bottem.— Gringo
- I thought that when you died, you had 2 weeks to be dead then you would magically wake up again, but as a babyAnon
- a friend of my little sister's had 4 older brothers, so she thought that when you got older you grew a penis!Anon