My brother said that is you feel an earthquick-ish feeling in your foot it will turn blue.
A childhood belief about general

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 - 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 belive that if i put my foot in my mouth, I would get foot-and-mouth illness— Emily Sathrota
- My brother told me that I would turn into a boy when I got older. It made me cry.— Sarah
- The song "Reverend Blue Jeans" turned out to be "Forever in Blue Jeans." Who would have believed that?— music lover
- When I was very small. by older brother told me that if I "Kissed my own elbow, I would turn into a boy."Anon