The first birthday you are part of is your own, and the last funeral you are part of is your own as well. Ah, the circle of Life.
And don’t forget divorce parties! And other people’s kid’s birthday parties!
OP must be between 25 and 30, that’s my totally biased and judgmental guess. 🥳
In your mid 30s, you can definitely do all 3 at once. Literally on the same weekend for me one time.