I don't know why I believed this... but when I was being potty-trained, I was terrified of the Toilet Monster. I thought if I didn't go #1 or #2 then he would be hungry and would get mad and eat me! I was so scared of NOT being able to go, that I totally avoided the bathroom. Curses to whomever told me that!
A childhood belief about fear of

others believed things like this
- i used to be scared to use the bathroom becuase i believed something lived in the toilet.— robert allen freeman the fourth
- My brother used to be scared to poop in the potty. He thought that he was pooping out his bones.— Lillyth
- I used to think people had a "potty mouth" if they had been drinking out of the toilet.Anon
- i used to be scared of under my bed and thought that my cat became a monster only at night.— sumayah
- that bathroom tap water was recycled "potty" water from the toliet. — livingdeadgirl
- I totally believed my siblings when they told me the family was aliens and had a space ship in the garage.— cully