i used to believe that when you had cramps your appendix would blow up.
A childhood belief about being ill

others believed things like this
- I used to think that if you didn't blow your nose and just sniffed the snot up, you head would blow up.Anon
- i used to believe that if you were a kid and u turned the radio on in your car then the car would blow up— steph
- I used to think that blow-jobs happened when you got fired from a job— MeGaN
- I used to believe that if you had to fart and held it in too long that it would cause you to blow upAnon
- The trees moving made the wind blow.— little jimmy
- When I was a kid, I used to believe that windmills were what caused the wind to blow. silly me :)— Adrian Z. Ontario, CA USA