I used to think that there were large machines in the ceiling between the first and second floor at home. I never thought about what their purpose was, I just assumed they were there.
A childhood belief about around the house

others believed things like this
- I used to believe that the large building/skyscrapers that made smoke were "cloud machines"Anon
- My brother used to believe that ceiling fans were helicopters flipped upsidedown and stuck in the ceiling.— Seven
- I used to think if i cut myself on purpose God would reward me for my bravery.— Brendan
- I thought an asylum seeker was a crazy person who checked in to an asylum on purpose.— Nate
- I used to think that money from ATM machines were free :p— qwerty
- My wife used to believe that the purpose of the stick shift in her Dad's car was to stir the gas.— Curt