When I was a child we had the weight from the pendulum of a grandfather clock in an upstairs cupboard, and my two elder sisters told me it was a bomb and to be very careful with it.
I told all my friends and they all came to look at the 'bomb' but did not believe it. I called my sisters to verify my story, at which time they decided to tell the truth. Public humiliation!
A childhood belief about around the house

others believed things like this
- I used to believe that an atom bomb was a dragon in the sky.— Mazzkitten
- My sisters once told me if I blinked too much I would get cancer.
How mean... D:— Budster - My sisters told me, and I still believe, that the 'Hokey Pokey' is the Devil's song.— You shake it all about...
- My grandma told me and my sisters that the boogie man lived in her basement and if we cried he would get us.— Paulette
- I used to think that in public toilets, the cleaning lady actually lived in the supply cupboard.Anon
- I used to believe that my sisters "make believe dog" was real— me