Middle age, for many, marks a key period for a radical reappraisal of one's life and way of living. The sense of time running out, both from the perspective that one's life has ground to a halt, and from the point of view of the greater closeness of death, and the sense of loneliness engendered by the compromised and wasteful nature of life, become ever clearer in mid-life, and can lead to a period of dramatic self doubt.In this book, the philosopher...