When I was little my older brother told me that the monster dimension was on the other side of the mirror and that they would get me if I used the bathroom with the lights off. 15 years later and I still have to turn on the lights before entering the bathroom
A childhood belief about bathrooms

others believed things like this
- I would turn the lights off and then leg it up the stairs thinking a monster would be chasing me.Anon
- I believed that traffic lights had police officers inside them, turning the lights on and off...— CrowHeart
- when i was about 5-8 i used to believe that oompa loompas lived in traffic lights and controlled the lights!!— ~wierd ~
- I used to believe that God controlled the traffic lights. He would decide when it was everybody's turn to go.— Amanda
- My brother told me that I would turn into a boy when I got older. It made me cry.— Sarah
- When I was very small. by older brother told me that if I "Kissed my own elbow, I would turn into a boy."Anon