I thought the lyrics "good girls don't cry" was "good girls don't die" i went around singing that everywheres until a friend called me crazy... whoops!
A childhood belief about misheard lyrics

others believed things like this
- I thought that the difference between girls and boys was that girls have teeth.
Anon - I used to believe that grilled cheese was called 'girl cheese,' and only girls could eat it.— Paige
- I always thought when I was a kid that Milo is for boys and that milk are for girls. . . — Cathyia
- When I was a kid I thought girls peed out of there vaginas...woops!— Greg
- i thought cats were girls and dogs were boys. Anon
- I used to believe toys came alive at night.
Because I love toys, and I hoped be good friend with my toys.Anon