Love - our hearts yearn for it, we fall into it or out of it, we'll do almost anything to attain and keep it. Those who have experienced the "power of love" whirl from its embrace. It is delicious anguish, gut-wrenching pain, and intoxicating allure. Nations go to war over it, crimes are committed to satisfy its demands, lives are often ruined because of it, and extraordinary feats of courage and sacrifice are performed in its name. But beyond the...