E.g. If your birthday falls on 30th of September, then the day you turn 30 (age and date are the same in this case), will be your Golden birthday.
Expectations from life. For example, where you should have been by now on your certain age or birthday, things you should have accomplished, etc.
Expectations from your birthday. For example, the bash has to be of a certain caliber, expectation of certain gift(s), expectations from family and friends, etc., or wanting that significant other to make you feel special at least for that one day.
Sylvia Plath once said, “If you expect nothing from anybody, you’re never disappointed.”
Make a list all of that you have; it will help you realize how blessed you are. Being grateful for that will help you overcome your birthday blues, reducing your stress, anxiety, and irritation.