When I was little my mom told me not to swallow watermelon seeds or I would grow a watermelon in my belly - for years when I would see a pregnant woman I believed she had swallowed the seds!
A childhood belief about seeds

others believed things like this
- 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 believe that if I swallowed watermelon seeds, I would get pregnantAnon
- If you eat watermelon seeds a watermelon will grow in your tummy and vines will come out your earsAnon
- when you eat the seeds from a watermelon a watermelon will start to grow inside your stomache.Anon
- If you swallowed a watermelon seed it would grow in your belly— Rachelle
- I used to believe that if you swallowed watermelon seeds, they would dance around in your stomach at night.— jaalyn