You probably know someone who is 50 years plus and still acts 30. And you’re wondering if he has got the Benjamin Button disease. He runs up the flight of stairs while younger people queue for the elevator. He walks with a spring in his steps and does more push-ups than men half his age. You then look at yourself and wonder if you’ll ever command such youthfulness when you get to his age. Truth is: being 50 and still waxing stronger has a secret!