Are narcissists evil or mentally ill/ disturbed

A person who is mentally ill has impaired thinking and behavior without much personal control.

Mental illness can be treated. A person will show improvement in their behavior after getting the right treatment.

Narcissists are evil in human disguise.

Narcissists come into relationships only to use and abuse you

. If you see, narcissists don't contribute anything positive in your life; whatever they do is negative.

If narcissists do something positive, then they have hidden motiv ...