I would calculate how old I would be before the gum I just swallowed would go through my system, since it took seven years
A childhood belief about chewing gum

others believed things like this
- i used to believe, when i was about 4 years old, that if you swallowed an ice cube you'd die. — Kritikaa
- my mother told me if i ever swallowed chewing gum i'd turn into a pig, i believed this for many years.— stuart hayward
- I believed the urban legend that gum stayed in your stomach for 7 years if you swallowed it.— Lindsay
- I used to believe that I invented the X Y coordinate system.Anon
- I used to believe GPS stood for Ginormous Processing System. — Babre
- when I was small I always thought that the solar system ended, and then it was just white paper after that— sparrow