Scientific American Mind:
Some individuals are indeed more susceptible to developing a narcissistic personality. Narcissism is characterized by self-centeredness (“It’s all about me!”), grandiosity (“I’m better than you!”) and vanity (“Look at me!”). It involves multifaceted psychological traits, motives and needs that influence how a person thinks, feels and behaves. Given this complexity, developing this form of extreme self-love is not as simple as inheriting a particular gene or experiencing a specific event. Instead becoming a narcissist likely involves an intricate mix of genetic and psychological or environmental factors.
Read the whole story: Scientific American Mind