From their correspondence Oprah says she knew Sarah's journey would require plenty of guidance. "In order to get to the root of what's really going on, she knew that she would need a lot of help," Oprah says. "Because you'd never even faced the fact that it was inauthentic."

One of the first missions on Finding Sarah—and one of the most difficult—was to sit down for a session with Dr. Phil.

Watch Sarah tell Dr. Phil about her tragic childhood

After some explosive moments, Dr. Phil gave Sarah a lightbulb moment about her addiction to approval.

Watch Sarah's lightbulb moment

"When Dr. Phil said that I was an addict to acceptance and approval, I nearly hugged him. I just went, 'Thank you so much!' And he went, 'That's the first time I ever heard anyone be happy to be called an addict.' And I said, 'No, I am, because now I've got a label. I can actually see it.'"


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