If you are one of America's 77 million baby boomers, you are or soon will be facing choices that can make the difference between enjoying or just enduring this third stage of your life. Time to treasure family and friends, to acquire new skills and expand knowledge, to find new pleasures and savor familiar ones, to deepen your spiritual life-these are the possibilities that open up as you move into your sixties. To make the most of this time means making thoughtful choices about your physical and mental health, your work life, your relationships, your finances, your approach to every aspect...