It&#x27;s an investment in the future. The Japanese will be much better off with a third or a fifth of their current population someday on their overstuffed islands; that&#x27;s going to require some shrinkage. If you intend to encourage everyone to live out his full natural lifespan in comfort -- as we should -- then it&#x27;s going to cost a little. Shouldn&#x27;t cost too much, though.