I used to believe that everyone involved in a marriage was "the bride", and that as long as you were present, you could be called "the bride". Eventually I understood that men were called something else, and they were called "Brooms". I was dumb.
A childhood belief about marriage

others believed things like this
- I believed that the breed of dog called Boxer was called that because they could stand up and box.Anon
- I used to believe that people from Holland were called "Hollish", like people from Poland are called "Polish"— Sally
- I used to think that adult kangaroos were called Kangas and that child kangaroos were called Roos. Anon
- I used to think that because there was a state called Washington, there was also a state called Dryington.— Jasonchic
- I used to think a female daddy-long-legs was called a "mummy-long-legs".Anon
- I used to think that 7-Up was called "Zup" until I realised the "Z" was actually a Seven!— Vic