If you went to the International Date Line and jumped back and forth across it 2 or 3 times it would affect your age.
A childhood belief about general

others believed things like this
- I used to think it was against international law, religious principles, etc. To be born on Christmas Day. :PAnon
- I used to believe that people had an expirey date.— Mason
- When I was little, I thought that you had to marry someone who was born on the same date as you.— Lauren
- I used to think Billy Idols "Eyes without a face" was "How's about a date" : - )— Shay
- I used to think that "One, two, three times a lady"
was: "one, two, three times related"Anon - I used to believe that a "punch line" meant a line of people waiting to dip punch from a punch bowl.— Sheila