The difference is that narcissism is grandiose and fragile, based on a need for admiration rather than actual confidence, and fills in for a lack of self-worth.

The difference is that narcissism is grandiose and fragile, based on a need for admiration rather than actual confidence, and fills in for a lack of self-worth. Confidence doesn't prevent you from acknowledging mistakes or flaws. Narcissism does, because their self worth is based on achievement and imagined flawlessness. They think that without these things they would be worthless and unlovable.