When my brother was young I told him if he ate the hole around the doughnut he would die.
To this day, he's 34 now, he leaves a small round crust so that he doesn't eat the hole =)
A childhood belief about crusts

others believed things like this
- I used to believe that if you dig a hole in the ground and put pepper in the hole, the ground would sneeze.— Cookie
- I used to believe that a cat's butt hole was on the tip of his tail.— PANTS
- My Mom used to tell us that if you bit your fingernails, they would cut a hole in your stomach.— Linda B
- I had a little hole in the wall under my bed when I was little and I thought that Fraggles lived in there.....— Tina
- My dad use to tell me that if I swallowed gum it would plug up my bum hole and eventually I would explode,— Carrie
- When asked why he didn't finish eating the crust from his pizza, a young friend said "I don't eat the bone".— Dustin