I used to beleive that everyone in my family had a different color blood. My blood was red, my sister's was yellow, my mom's was green, and my dad's was blue.
A childhood belief about general

others believed things like this
- I used to think that blood was blue until it touched air.— paetrw
- when I was young, I heard that blood had iron in it. I thought blood was red because it was rusty.— Hunter
- I thought the blue veins in some cheeses were actually blood vessesls!— Helen
- I used to believe that if you mixed red, blue, green, and yellow paint you'd get plaid!— Judith Ann
- i used to believe that people with blue or green eyes saw that certain color— mellactica
- I used to believe that guns shot out blood because everytime somebody shot a gun in a movie you saw blood.Anon