I used to believe that a little gnome on a bike heated the water in our house. The hotter I turned the faucet, the harder he had to peddle. When I was in a good mood, I would take a cold shower to give the little guy a break, but when I was pissed, I would literally burn myself just to make him work his butt off.
A childhood belief about bathrooms

others believed things like this
- I used to think what heated the food in the pan was the boiling water, not the heat under it.— Mario
- I didn't think you could put out a fire with hot water - only cold water would do.— Katti Pytt
- I used to believe that hot water was red and cold water was blue.Anon
- I used to think that if you go into a shower nothing can hurt you because you're protected by water — Foxxip
- I used to think when I peed in the shower as a kid, the water coming back through the showerhead was my pee.— gregg
- I used to think that trolls lived in my shower drain and showered with my dirty water— Troll bather