I was finally able to retire from my elementary school teaching job in my late 50s and devote my time to other activities. I had expected a more active retirement with my husband, Donald, but that was not to be. He is 12 years older than me, and although he had been a vigorous and active man early in our marriage, he had not taken care of himself over the years. By the time I retired, he was overweight, sedentary, and imp...