Thanks to her sister, my friend used to believe that it was only impolite to point at people with an ODD number of fingers. If you used an EVEN number, it was okay.
A childhood belief about in the street

others believed things like this
- when i was little i believed that your social security number was the number you were born on the earth — christine
- I used to think that any number with a decimal point in it was HUGE.— sm
- I still hold my breath when I pass by cemetaries because it is impolite to breathe when other people can't.— Crystal
- I used to believe there was a number "eleventeen". I could never quite work out where it went, though.— Matthew
- I used to think boys went "number two" with their pee pees. Anon
- I used to believe that twenty was the largest number in the universe.— Bernardo Fernandez