Last winter, I shoveled my sidewalk about a gazillion times (slight exaggeration). At 63, I still had the strength and stamina to do it. Some 20 or 25 years hence, I probably won't. Nor will I necessarily be able to drive or climb several flights of stairs with ease. Plus, at 85, I doubt I'll be walking half a mile to the local pub to meet friends or a mile in the other direction to see a movie, as I do now
Read more