My doctor says i have narcissism, but i don't understand. what does it mean?

Narcissism: Means that you have low awl esteem and are particularly vulnerable to even small criticisms. This can make work and personal relationships very difficult for you.

Narcissism is varied: Symptoms of narcissistic disturbances may include any of the following: low self-esteem, shame, grandiosity, sensitivity to criticism, insensitivity to others feelings, self-centeredness, pathological idealization and/or devaluation of others. Psychotherapy or psychoanalysis are the only treatments for narcissistic disturbances.

Narcissism: The hallmark of a narcissist is an immense ego, grandiosity, and self-importance, as well as being entitled, and a tendency to use and objectify others as well as thinking of people in all-good or all-bad terms instead of shades of gray. The core of a narcissist is profound insecurity.