Why do we celebrate birthdays?

I'm just curious why we celebrate birthdays. I like it and I do it, I just have no REASON to like it and do it...which kind of bothers me because I like to have reason.

Glow Resources

Let’s Glow

Glow is here for you on your path to pregnancy

Glow helps you navigate your fertility journey with smart tools, personalized insights, and guidance from medical experts who understand what matters most.

25+ million

Users

4.8 stars

200k+ app ratings

20+

Medical advisors