I used to believe there was a number "eleventeen". I could never quite work out where it went, though.
A childhood belief about counting

others believed things like this
- i could swear eleventeen was a number for the longest time -- it still sounds pretty convincing.— erin
- when i was little i believed that your social security number was the number you were born on the earth — christine
- My uncle once said that elves were really badchildren made to work in santa's work shop— Some guy
- i used to believe that if i didn't work at school, i would have donkey ears, so now i work hard !!!— denis
- 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