Identifying your predominant personality-type changes the way you approach life. If you know yourself - and, equally important, if you understand other people - you can confidently tackle your career and your personal relationships knowing exactly where you are coming from - and what everyone else is seeking. What this book presents you with is a revolutionary framework with which to comprehend your own needs, and the needs of others. Based upon the concept of evolutionary psychology, it reveals the determinants at the core of our characters - those very skills and psychological attitudes that we have inherited from our ancestors.