Great article [“The Future of Aging,” Cover Story, November] and, yes, most people would entertain living longer conditional on being healthy. As I’m reading the article, one issue comes to mind, and that is how will people pay for it? We hear that Social Security may be insolvent within the next decade. My wife and I planned back in our 40s with life expectancy in our 80s. So what happens when the money runs out and we live to 100? We can’t expect the government to foot the bill. Someone should write part two of this article: Are you financially ready to live to 100?