For people over 50 who know they should exercise but don’t, it’s always one thing after another. They say they don’t have the time. Or the money. Or they’re too old... But none of that will keep you independent as you age. It won’t keep you strong enough to enjoy life on your own terms. And it won’t keep your weight down, regulate your blood pressure, or provide a key social outlet. Facts are: You have the time, money and motivation. What kills time, eats money, withers motiv