The first step-by-step guide to choosing a life partner based on sexual, practical, and emotional compatibility In every romantic relationship, men and women alike wonder whether their love will stand the test of time. In this unconventional guide, Sam R. Hamburg, Ph.D., explains how to eliminate the guesswork and pick the right romantic partner. Basing his findings on hundreds of cases in his twenty-five years as a marital therapist and thirty years in his own marriage, Dr. Hamburg shows that in the best unions partners are deeply compatible in all areas — from sex to daily decision making to beliefs about life. With an innovative approach, Dr. Hamburg guides couples in understanding how compatible they are in each dimension and he empowers them to make important relationship decisions that are intellectually and emotionally informed. Written in a clear and direct style, teaches couples at any stage of commitment how to avoid mistakes and find lasting love.