Nora Ephron wrote a hilarious book on aging called I Feel Bad About My Neck. If I wrote a book on aging it would be entitled, A Waist Is A Terrible Thing To Mind..
Aging is inevitable; the only way to stop aging is to stop living. That's not a great option. You can slow down the clock with a better diet, exercise, sleep and stress management and -- hopefully -- great genes. But you can't stop the clock unless you stop ticking altogether.