When I were a kid my brother told me farting in public was illegal but they give you 16 and a half warnings before you get in trouble (he said the half warning would be really subtle!)
A childhood belief about farting

others believed things like this
- I used to believe that your belly button was what held your top half to your bottom half...— Debelouwho
- An hour and a half is exactly the same as half an hourAnon
- I used to think you could die if you jumped half way down the stairs. Anon
- i used to believe that if there were bombings, that the world will split in half.. — kins
- when I was 6 years old i use to believe a catfish was half cat one fish.Anon
- I used to believe that all songs were exactly a half-hour long.— Brian