When I was younger my Dad told me that people temporarily lost their hearing during their teenage years, which is why they turned up their music so loud. He's a doctor and I believed him for years!
A childhood belief about getting older

others believed things like this
- as a kid, i was told by my older cousins that i wasnt human until i turned 7 years old.— twk
- My brother that is 6 years younger than me used to believe that in seven years he would be older than me.Anon
- my uncle was a doctor, so when he told me his vw could fly, i believed.— boodles
- For years and years I believed that tuna must be really little fish because they came in such small cans!!— Gisela
- Until I was about 12 years old I believed that homeless people were made up by my parents to scare me.— Angela B.
- My 6 years younger sister used to tell me that I was younger than her. She was just growing backwards.— Taryn