What Is Narcissism?

What is narcissism? Narcissism is a personality disorder that an individual distorted self-image, unstable and intense emotions are preoccupied with self-love, prestige and power. Where there is nothing but caring and loving toward their self and no other taking it as a person who thinks if ruling the world on their own would be a better place. That seems like a matter of selfish, unkind to another, and more focus on where; therefore, they are popular or attractive to people. For instance, research shows the causes of narcissism are social media, overindulgence and spoiling by parents, and idealization of the child.
First, most of the narcissism starts from social media and these appear to be conflicting recognition and evidence. Does Facebook