My brother and I are a year and a half apart....So on either of our birthdays the other of us would be our age and a half. Then when i went to school i used to tell other kids that they couldnt be "7 1/2" untill their brother or sisters birthday. haha
A childhood belief about birthdays

others believed things like this
- When I was a teenager, I used to believe that someone's name-day occured as half-birthday.— Marcas
- I used to believe that your belly button was what held your top half to your bottom half...— Debelouwho
- I used to think Jane Austen was related to the Bronte sisters, maybe like their cousin or step/half sister.Anon
- I used to think Jane Austen was related to the Bronte sisters, maybe like their cousin or step/half-sister.Anon
- My parents have the same birthday -- month, day, and year. I though all mom's and dad's had the same birthday.— Cait
- An hour and a half is exactly the same as half an hourAnon