In the modern age, the more options we have available, the happier we feel.

In Too Soon Old, Too Late Smart, Psychiatrist Gordon Livingston writes that those who are most unwell or discouraged suffer from a sense of limited choices, sometimes brought on by external circumstances or illness, but most often by the ways we restrict ourselves.

What you do for a career matters. How many of your personal problems are related to your work? How often does the stress of work affect your mood at home? Since work takes up most of our time, having more career options and happiness in your career automatically...