i used to be afraid to drink water from water fountains that were anywhere near a toilet because i thought that the toilet water/urine was somehow "cleaned" and recycled through the drinking fountain.
A childhood belief about fear of

others believed things like this
- that bathroom tap water was recycled "potty" water from the toliet. — livingdeadgirl
- I used to believe that if I flushed the toilet before I showered, I would take a shower in dirty toilet water.— Chris D
- I thought tonic water was toxic water and wondered why would anyone drink it if it is toxic?— Dr.Badguy
- One day when I was 6 I learned that the toilet was NOT a water cooler. :/— J.C.
- I used to beleive that if you flushed the toilet that it would explode and all the water would shoot out.— Michelle
- I thought that hydrogen was pure water (since I knew hydro- meant water) and H2O was impure some how— Hexetic