You are mixing metaphors and professional terms, probably because you are not qualified to use them. For instance, there is no such thing as "poor locus of control".
My advice to you: let go of the psycho-babble.
Now, to your question:
Narcissists and psychopaths are sane. Personality disorders are NOT mental illnesses.
Read these:
http://samvak.tripod.com/personalitydisorders6.htmlhttp://samvak.tripod.com/mentalillness.htmlhttp://samvak.tripod.com/faqpd.htmlQuestion:
Should the narcissist be held accountable for his actions?
Answer:
Narcissists of all shades can usually control their behaviour and actions. They simply don't care to, they regard it as a waste of their precious time, or a humiliating chore. The narcissist feels both superior and entitled – regardless of his real gifts or achievements. Other people are inferior, his slaves, there to cater to his needs and make his existence seamless, flowing and smooth.
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http://www.narcissistic-abuse.com/faq71.html Question:
The narcissist is not entirely responsible for his actions. Should we judge him, get angry at him, be upset by him? Above all, should we communicate to him our displeasure?
Answer:
The narcissist knows to tell right from wrong. He is perfectly capable of anticipating the results of his actions and their influence on his human environment. The narcissist is very perceptive and sensitive to the subtlest nuances. He has to be: the very integrity of his personality depends upon input from others.
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http://www.narcissistic-abuse.com/faq13.html Narcissists are not prone to "irresistible impulses" and dissociation (blanking out certain stressful events and actions). They more or less fully control their behavior and acts at all times. But exerting control over one's conduct requires the investment of resources, both mental and physical. Narcissists regard this as a waste of their precious time, or a humiliating chore. Lacking empathy, they don't care about other people's feelings, needs, priorities, wishes, preferences, and boundaries. As a result, narcissists are awkward, tactless, painful, taciturn, abrasive and insensitive.
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http://samvak.tripod.com/personalitydisorders49.html