9After food, water, and shelter, relationships are the most important factors in determining quality of life. At work, productivity and efficiency depend on relationships. At home, relationships with your spouse, children, and friends are key to success and happiness. And among nations, relationships start and stop wars. This invaluable guide shows that only by further developing yourself can you further develop your relationships.Based on Dr. Murray Bowen's innovative family systems theory, this important book has been in print for over 25 years. Newly revised and expanded, Extraordinary Relationships, Second Edition shows you how the principles of family systems theory can be used in all arenas of life, including family relationships, intimate relationships, friendships, the sing life, the workplace, the international arena, and most important your relationship with yourself.