When I was in Kindergarten, I would only use cold water to wash my hands at school because, for whatever reason, I thought using warm water would cause a fire drill.
A childhood belief about general

others believed things like this
- 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 believe that fire trucks were filled with water. — Renee
- I believed you could dry your hands with hot water, until i got a chance to try it.— A A RENN
- I thought that hydrogen was pure water (since I knew hydro- meant water) and H2O was impure some how— Hexetic
- I used to think that Luke-Warm water had somthing to do with Luke SkywalkerAnon