When I was a kid, I used to believe people died once they were over 21.
Pleased my mother for years though, because I refused to believe she was older than 21, even though she had turned 40! :)
A childhood belief about people

others believed things like this
- My mother used to call my behind "a paw paw" and for many years I refused to eat paw paws (papayas)— Garth
- I used to believe that when people died, they turned brown just like plants do when THEY die.— Joey Schwartzman
- as a kid, i was told by my older cousins that i wasnt human until i turned 7 years old.— twk
- My older sister used to tell me that ants were bees. My mom was very confused when I refused to go outside.— Paulette
- I used to belive that the New Years ball exploded, and people who were near it died.— Angela
- I used to believe everyone died when they turned 100, and they never died before or after.Anon