Oprah is a person that you never see sweating, or crying for that matter. In a clip from Thursday's hour-long ABC special shown this morning on "Good Morning America." Even though she promises Barbara Walters she wouldn't, Oprah cries as she discusses her friendship with Gayle King.

"She is the mother I never had. She is the sister everybody would want. She is the friend that everybody deserves. I don't know a better person."

She told Walters the reason she was crying was because she never said those words to Gayle.

"It's making me cry because I'm thinking about how much I probably have never told her that."

Oprah also shot down rumors of she and Gayle being lesbians.

"I'm not a lesbian. I'm not even kind of a lesbian. And the reason why it irritates me is because it means that somebody must think I'm lying. That's number one. Number two: why would you want to hide it? That is not the way I run my life."

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