I was told that, when something was stinking real bad, the stench would get in my mouth if I opened it... I almost threw up at the thought !
To this day I keep my mouth shut when I smell something disgusting.
A childhood belief about general

others believed things like this
- I used to believe that if you told a lie, Dragonflies will come and sew your mouth shut. For real.— Casey
- I used to believe that when I farted, i could smell up all the stench before anyone else could smell it.— Tim
- i used to belive that when the doctor opened his mouth and went aaaaaa i thought he was trying to eat me.— matt
- i used to believe that dragonflies would sew your mouth shut.Anon
- i used to believe that drangonfly's would sew your mouth shutAnon
- I used to tape my mouth shut at night in case a spider would come along and make a web in my belly.Anon