I used to watch the X-Files, and when I was 8 I saw the one where the monster was hiding in the Port-A-John, and used to bite people when they went to the bathroom.
So up until I turned 25 I would NOT use any port-a-john. I would hold it as long as I could, because I was afraid of that monster.
A childhood belief about fear of

others believed things like this
- I used to think that Olivia-Newton John was three people like Sharon, Lois and Bram....Olivia, Newt and John— J
- As a child I used to think that Olivia Newton-John and Elton John were married.
Boy, I was way off.— Lisa - I believed the urinals in port-o-potties were sinks.Anon
- I used to think that Olivia Newton-John was 3 people: Olivia, Newt, and John— Sally
- As a child, I thought that Olivia Newton-John was Elton John's wife and Juice Newton's sister.— Connie
- I thought that Olivia Newton John was a group, Olivia Newt and John. — Sam O.