Birthdays always feel like big milestones, but there's something about the transition from your 30s to 40 that feels especially major. The big 4-0 can make you feel both older and wiser.

Chauncey Billups: "I want to wish you a happy 40th birthday.I can't even believe I'm saying that. I remember your first preseason game coming to the Palace at 18 years old, 22 years ago, playing ...