I used to believe that if you swallow a watermelon seed and then drink water you would grow a watermelon in your stomach.
A childhood belief about seeds

others believed things like this
- I used to believe that if you ate a watermelon seed you would grow a watermelon tree in your stomach!!!— Eskimo
- I use to believe (thanks to my Mom) that if I swallowed a watermelon seed a watermelon would grow in my belly.Anon
- I used to beleive that if you ate a black watermelon seed a tree would grow in your stomach— anonymous
- I used to think that if I ate a fruit seed it would grow in my stomach if I drink water after thatAnon
- If you swallowed a watermelon seed it would grow in your belly— Rachelle
- If you eat watermelon seeds a watermelon will grow in your tummy and vines will come out your earsAnon