He then hurls it at people and monitors their every reaction. Reactions that conform to the information contained in the false self generate a flooding sensation of omnipotence, omniscience, brilliance, and perfection.
Narcissism is an integral part of our development as humans.
A residue of it survives well into adulthood. It is essential, it keeps us alive. It drives us to achieve things and to seek the approval of other humans. It helps us bond with significant others, motivates us to raise children, to consume, to study, to explore, to discover, to invent, to innovate. It is a powerful engine of human personal progress.