I was certain until a few years ago that accidentally swallowed gum would stay in your gut for precisely 7 years (to the second) and stick to other food so it would get really big and gross. Then, on the 7-year mark, you would poo out a seemingly endless string of stretchy, accumulated food. Nasty.
A childhood belief about chewing gum

others believed things like this
- I used to beleive, that if you swallowed a seed the food would grow in your body.Anon
- I use to believe that salt would cool food down while pepper would heat your foodAnon
- I used to believe when ordering Chinese food the food and delivery man came from China— Dave
- I thought when you got food poisoning it might someone had put poison in your food— Bootlebat
- As a kid I used to believe that you had to vomit at least once a year to get rid of all the food you ate.— Paula
- i use to belive if you eat to much of a food u will turn into that food Anon