When I was a kid, my older sister told me that Fig Newtons were filled with crushed cockroaches. That was over 30 years ago and I still can't bring myself to eat a Fig or any other type of Newton bar.
A childhood belief about sweeties

others believed things like this
- As a child, I thought that Olivia Newton-John was Elton John's wife and Juice Newton's sister.— Connie
- I used to think that cockroaches would visit your house if you didn't brush your teeth.Anon
- My oldest sister is 15 years my senior. I used to think that she was older than my mom.— Callie
- Olivia Newton John did sing let me hear your budgie talk! didn't she— J Scull
- I thought "Angel of the Moring", by Juice Newton said "just brush me teeth before you leave me"!!!Anon
- My older sister told me squirrels were poisonous, and I believed her until I was 9.— Jenni