Why did Michelle consider Mark her best friend, even though he let her down? "I knew he was a narcissist the whole time I was with him. We joked about it," Michelle says, "[But] he had a lot of good days. For every miserable thing he did, there were 10 other acts of generosity and caring."
"We need to increase the days of goodness and get rid of abuse, period," Dr. Robin says. "His shamelessness is a horrific injury to you, and there's nothing funny about it." Dr. Robin points out that Mark is so self-centered that he probably enjoys seeing his loved ones plead for his return. "[To] hear his brother calling out—a narcissist would love that because he's still the center. Somebody is still reaching out, wanting him. He'll love [this show]. … It makes him still feel so big and so important and so significant in a way to cover up how small and insignificant he really feels."