i used to think that if i didn't celebrate my birthday each year my younger sister would catch up with me
A childhood belief about birthdays

others believed things like this
- My sister uesd to think that you did a whole year's worth of growing in the night before your birthday.— Richard Davies
- that we celebrate New Year's because it is the day that Jesus had his brit (circumcision)Anon
- My parents have the same birthday -- month, day, and year. I though all mom's and dad's had the same birthday.— Cait
- I used to believe that on your birthday, you didn't advance to your next age until you ate your birthday cake.— Casi
- My birthday was on a different day every year, assigned by my parentsAnon
- I used to think that your birthday changed every year, and that your parents just decided what day it was.— Daniel