I thought that the higher the number of your birth year, the older you were. Bigger numbers (year)= bigger numbers (age). So, I just knew that someday, since my birth year was less than my brother's birth year, somehow, he was older than me.
A childhood belief about general

others believed things like this
- iwas told that if u cry on your birthday you would not get any bigger 4 a whole year— steve
- i thought I got one year older when my family sang the birthday song.— I am the ghost
- Abba - Happy New Year
"Kangaroo year,
Kangaroo year..."— Santa Puncher - I used to believe that numbers had gender, that the odd numbers were boys and even numbers were girls. — Evelyn
- I used to believe that everybody who was bigger or taller than I was always older than me.— Stano Finji
- My 18 year old brother thought the former vice president was named Al Gorbachov.— Jeff