It seems like love. The two of you are amazingly in sync. You’ve found your soul mate. Suddenly, things change. What happened? He’s wonderful, right? There must be something wrong with you. There’s not. A narcissistic man is a master at the beginnings of romance. He just can’t sustain a real relationship. Jeffrey Kluger's chapter, “The Beast In Your Bed,” describes him well. He’s charming, he’s attentive, he’s romantic. He envelops you in an aura of specialness; you’re everything he’s dreamed of. You’re on his pedestal. But, as high as you are is as low as you fall.  How do you...