I didn't know whether nail files were supposed to make your nails sharper or duller.
A childhood belief about general

others believed things like this
- i used to think that biting my nails would make my fingers fall off! ;)— Cassandra
- I didn't understand about boiled eggs until my Mum explained I wasn't supposed to eat the shell as well.— Chris
- I used to think that the moon was God's toe nail, when it was in the shape of a crecent— Ms.imagination
- I used to believe that a half moon was gods finger nail, and his finger was pointing downwards.— clo
- I wasn't allowed to cut my nails on a sunday , don't ask me why.— martin
- That bitng my nails would cause worms in my tummyAnon