I don’t know about that system. What I do know is that people who suffer from personality disorders can have any base personality style. In general, the most visible and obnoxious personality disorders seem to be malignant growths upon the following Enneagram types: 1, 4, 7, and 8.

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An engineer-psychologist focused on machine intelligence. I write from my own experience to support others in living more fulfilling lives | duncanriach.com

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