Were you surprised to find out you're now on AARP's mailing list? Are you getting unexpected senior discounts, and do you have a growing desire to be home on weeknights? Guess what: Your 50s have crept up on you. (Weren't we in our 20s just yesterday?) Here's a playful romp through the telltale signs that you're inching — careening? — toward your golden years.
Related: 20 Benefits of Growing Old