i use to believe that the teenage years started at eleven, as in eleventeen. but then twelveteen just didn't sound right.
A childhood belief about getting older

others believed things like this
- I used to believe there was a number "eleventeen". I could never quite work out where it went, though.— Matthew
- i could swear eleventeen was a number for the longest time -- it still sounds pretty convincing.— erin
- When I was nine, I thought two eleven-year-olds could get married.Anon
- When I was a kid, I thought the musical Mamma Mia did songs from the A*Teens (the teenage version of Abba)Anon
- I used to believe that you could only play a record once, and after that all the sound was wiped off.Anon
- I used to beleive Euthanasia was a country. It does sound like one don't you think?— Charley