<正>HAVING entered the penultimate of Shakespeare’s seven ages of man,or in my case,woman,I find that hitting 60 and official old age sparks a general reevaluation of what constitutes enjoyment and a sense of well-being.The saying you don’t know what you’ve got till it’s gone truly hits home with the realization that life without physical fitness is a weary,worrisome trudge.Consequently good health,along with gray hair in recession,