Turning 60 is a huge milestone for anyone. There are many things to be grateful for after living your life for six decades. At the same time, there is a whole new category of aches and pains that are part of the package as you hit your golden years. It's always a celebration when someone crosses this magic number, but treat the occasion with much humor. Make the celebrant smile with a lighthearted yet sincere message that shows you truly care for the person. As an alternative, you can serve…