When I went to visit my Grandmother, I would always see that the water in the toilet was blue. I'd acuse my sister of not flushing the toilet because I was sure that since my pee was yellow, girl pee must be blue.
A childhood belief about weeing and pooing

others believed things like this
- Eifel 65 - Blue
I'm Blue (if I was green I would die...)
[I'm blue, da ba dee, da ba di.]— Matt - I used to believe that if you mixed red, blue, green, and yellow paint you'd get plaid!— Judith Ann
- You know the eifel65 song "Im blue da be da ba di"
I thought he said "I'm blue I'm in need of a guy"— Anna - I used to believe that if I flushed the toilet before I showered, I would take a shower in dirty toilet water.— Chris D
- The song "Reverend Blue Jeans" turned out to be "Forever in Blue Jeans." Who would have believed that?— music lover
- I used to believe that hot water was red and cold water was blue.Anon