As families shrink, our primary relationship is increasingly with ourselves

More than 2,300 years ago, Aristotle mused in Politics that to live alone, a man must be a god or a beast, or words to that effect. I wonder what he would have thought of the popularity of China’s “Are You Dead?” app. For Aristotle, we are social animals, thriving in the “polis” in the company of family, friends and fellow citizens. The average mother had at least five children. Many homes housed three, even four, generations. Family life was noisy and crowded, full of companionship, contest and...