this isnt my own belief, but my brother wore diapers until he was about 3 because he was afraid to use the toilet because he feared that when he took a poo that his skeleton would come out with it.
A childhood belief about weeing and pooing

others believed things like this
- I used to belief that the Muslim women who wore their garment wore it because they were bald.Anon
- Adult diapers feel and sound just like baby diapers but dont have the cool prints on them— jakjflkaj
- That a satchel was a skeleton, and I would have to wear a skeleton on my back for school!Anon
- I know this isnt a huge funny belief, but I used to think that all spiders were poisonous. I love spiders now!— Sammy
- I used to be afraid that "boney Legs", a witch from a story Lived in the toilet. Anon
- I used to believe that if I went down the stairs slowly a red eyed skeleton would come and run after me.— Melly2bee