well, this was actually my mom's belief and is probably not pc, but here is it: when she was a very little girl and growing up in florida, there was still evidence of segregation every where. she would pitch an absolute fit at having to drink out of the 'white' drinking fountain, because it was boring and stupid, and she wanted to drink out of the 'colored' drinking fountain, which surely spouted rainbow water. her mother didn't know what to do with her screaming child wanting rainbow water!
A childhood belief about politics

others believed things like this
- I always thought there was a drinking age for coffee, because it was an adult drink like beer and wine.Anon
- I thought tonic water was toxic water and wondered why would anyone drink it if it is toxic?— Dr.Badguy
- My mum used to tell me that you couldn't drink water out of the tap from the bathroom as it was poisonous.Anon
- When I was young I refused to drink well water because I thought it came out of whales.— itodd
- I used to think that if I ate a fruit seed it would grow in my stomach if I drink water after thatAnon
- if you drink water from unsafe places, frogs will grow in your stomach...— Olivier