"I don't want to be seen now," Jackson confessed. "Because I am like a lizard. It is horrible."
Jackson died June 25 at age 50. His death is being treated as a homicide.
The self-described "King of Pop" seemed to sense during the interviews in 2000 and 2001 that his life was winding down.
"I would like some way to disappear where people don't see me anymore at some point," Jackson said. "I don't want to grow old. I never want to look in the mirror and see that."
"He lost the will to live," Boteach said Friday on NBC's "Today" show. "I think he was just going through the motions of life toward the end."
Boteach is an orthodox Jewish rabbi who has written self-help books with names like "Kosher Sex" and "Shalom in the Home." He was introduced to Jackson in 1999 through Uri Geller, a British entertainer, and acted as his confidant for many years. At times, the transcribed tapes sound like counseling sessions.
Boteach said he and Jackson recorded the tapes with the idea of giving the public a more accurate image of the reclusive entertainer. Boteach said he soured on the book - originally slated for release in 2003 - after Jackson failed to adhere to the recovery programs they had worked out for his public image and private self. Those improvements included waking up at a decent hour and not being alone with children other than Jackson's own three kids.
The friendship ended with Jackson's second arrest on charges of sexually abusing a child. Boteach said he resurrected the project after Jackson died because attitudes toward him had softened.
In conversations, Jackson is quick to see himself as a victim and quick to criticize relatives - especially his father, who, Jackson said, beat him with an electric cord.
"He was rough," Jackson says of his father. "The way he would beat you hard, you know, was hard."
Ken Sunshine, a spokesman for the Jackson family, said Friday: "We will not dignify this with a comment."
The book makes it clear Jackson was interested in women sexually but very shy. He tells Boteach he had never asked a woman out on a date, although he acknowledged having sexually charged phone conversations with Madonna.
In recounting one conversation, he said: "Madonna laid down the law to me before we went out," saying, "'I am not going to Disneyland, okay? That's out."'
Jackson said Madonna was jealous of him because his female fans screamed and swooned while her male fans were less demonstrative. He recalled her crying in admiration at one of his concerts.
When contacted Friday, Madonna's spokeswoman, Liz Rosenberg, said, "Madonna has very fond feelings for Michael Jackson, and I don't think anything in the book is going to change that."
Associated Press Television Writer Frazier Moore in New York contributed to this report.
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