Turning 40!

So I recently turned 40 and came to the realization that I'm not sure what age milestones mean anymore. I remember when I was so excited to turn 18 to vote, 21 to drink, 25 to rent a car... then it all came to 30. Now that I am 40, I'm realizing that I have learned a LOT about life, people, relationships, work, careers, etc... and the most important thi…