Gone are the days when three generations – or more – routinely lived their lives in the same location. We are mobile. Many jobs move employees often. A sunnier climate seduces some young adults, who then never return to live in the old home town.

As long as the elders are spry, can travel and can keep in touch by phone, it works. But, for many, there comes a time when the elder become frail. The tables are turned, and the adult children begin to worry about the welfare of their parents....