A blog post by Melissa Ruisz Nazario, based on an interview with Dina Zaki, L.M.F.T., by Bonnie Bright, Ph.D.
The Greek myth of Narcissus, one version of it at least, describes a young, proud hunter known for his good looks. He disdains others, including the mountain nymph Echo, who falls in love with him. Because of his behavior, Nemesis, a goddess of revenge, lures Narcissus to a pool, where Narcissus falls in love with the water’s reflection, not comprehending it is his own image. In one version, he stares at his own reflection until he dies. 
From this tale we have the terms “narcissism” and “narcissist,” and even the condition of “narcissistic personality disorder,” in which “people have an inflated sense of their own importance, a deep need for excessive attention and admiration, troubled relationships, and a lack of empathy for others. But behind this mask of extreme confidence lies a fragile self-esteem that’s vulnerable to slightest criticism.” Read More