I used to suck the ends of my hair until I was told that it would dissolve like candy. I believed this until I heard myself telling my young neice the same thing, and realised it was rubbish.
A childhood belief about hair

others believed things like this
- I used to suck on the ends of batteries intent on gaining super electric powers. Anon
- When I was little I USED to THINK that hair grows by the ends.— Sirin
- I used to believe when I was young that Poland was made entirely of candy.— Jenn
- I thought if you took some candy and buried in the yard, you would grow a candy tree.Anon
- I believed that if you ate a piece of your own hair, a new strand of hair would grow on your head.— Ryo
- that when I growed up I would be a footballer but that was obviously rubbish as I can't play for toffee— Darren