I was convinced that when someone played a trombone the sliding tube went down their throat.
A childhood belief about hobbies

others believed things like this
- I used to believe that invisible giants played with us like I played with my dolls. — Alexandria
- if you eat toothpaste straight from the tube, you will get worms— wormelow
- I used to want hemmoriods so I could use a "float tube" in the tub and have a cushy toilet seat like my dad.— Tami
- All through life, I always thought the lungs were located in your throat. I'm 25.— thelungs,man
- I used to believe clip on bow ties were inserted into your throat and that is how they stayed in placeAnon
- I used to believe that an Adams apple was a piece of apple that was stuck in someone's throat.— Ron Aaron