I used to believe that when you ate food, it piled up inside your body and pushed on the top of your head and made you grow taller and when you couldn't grow taller it would pile around your stomach and make you fat.
A childhood belief about eating

others believed things like this
- when I was younger , I used to soup made you grow taller — dark-titouan-du-55
- i used to believe that if i walked in the rain i would grow taller.Anon
- i used to believe that you were suppossed to grow taller than your parents, and then when i didnt i was sad.— crysb83
- when i was little i used to think that drinking soup would make me taller — gella pas doue
- I used to beleive, that if you swallowed a seed the food would grow in your body.Anon
- I used to believe that if you ate the pips in apples a tree would grow inside your stomach.— QueenB