My cousin told me that the reason he wore a retainer in his mouth was because he had a hole in the roof of his mouth and his brain would fall out if he didn't wear it. I so believed him!
A childhood belief about general

others believed things like this
- I used to belive that if i put my foot in my mouth, I would get foot-and-mouth illness— Emily Sathrota
- i was always told if i picked my nose my brain would fall out! i belived it for years!Anon
- I used to believe that people who wear glasses did had a second brain!— Onessa
- I used to believe that if you told a lie, Dragonflies will come and sew your mouth shut. For real.— Casey
- I was told that if one doesn't cover their mouth when yawning that their soul would escape.Anon
- i used to beleive that if you chewed gum it woul give you warts in your mouth my sister told me this— sunney jim of the pearl