I believed that the groove in the doorway that is the place that latches the doorknob was really a place where a mouse lived. I would always stand in the doorway to the bathroom and look for a mouse. Never saw one though.
A childhood belief about around the house

others believed things like this
- I used to think that when I moved the mouse around on the mouse pad, I was giving the computer a massage.Anon
- i used to believe that mirrors were a doorway to another world.
I still think i have a twin. :-)l(-:— bloo - I believed that ham was mouse meat, because it was pink and my dad told me so. — Zo
- When I was a child, I believed that the little mouse Perez existed.— David Montoya Velez
- My great-grandfather firmly believed, and had me convinced, that SPAM was mouse meat. — texasblue
- I always believed that we lived in Manchester (we didn't) but it was always the main place on the local news!— Richard M