A social and then political movement will arise toward this end. Loneliness is one of the most powerful forces in the world. People get sick, and I know who will take care of me if I do. As those who are in their thirties and have no children and maybe no partner grow older, and face half a century more of their lives, they will have to answer that question, and the discovery that there is no answer will be terrifying. Living a long life without anyone needing you, no one really caring if you live or die, is liberation, but the terrible implications of liberation emerge with time.
