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OTRC: Arnold Schwarzenegger details guilt over cheating scandal in memoir

Arnold Schwarzenegger details guilt over cheating scandal and how ex-wife Maria Shriver confronted him in his new autobiography, "Total Recall: My Unbelievably True Life Story."

The 65-year-old actor said that the day after his term as California governor came to an end, Shriver set up a meeting with a therapist where she made it clear that she was aware of his infidelity.

"The minute we sat down, the therapist turned to me and said, 'Maria wanted to come here today and to ask about a child - whether you fathered a child with your housekeeper Mildred,'" he wrote in the book, according to ABC News. "I told the therapist, 'It's true.'"

Schwarzenegger said in his book that he immediately started groveling, admitting that he had screwed up and telling Shriver that she was the "Perfect wife." Shriver, 56, filed for divorce in July 2011 amid the cheating scandal and after 25 years of marriage.

Shriver and Schwarzenegger announced their separation in May 2011. It was later revealed that the actor had fathered a son named Joseph with the couple's former housekeeper Mildred Baena while he was married to Shriver, who is the mother of daughters Christina, 21, and Katherine, 23, and sons Christopher, 14 and Patrick, 19.

In his autobiography, the actor said that he had sex with Baena in the family's guest house in 1996, while the rest of the family was on vacation and he was in Los Angeles filming "Batman and Robin."

Baena talked about her son, said to be the same age as Schwarzenegger's youngest child with Shriver, in an interview with Hello! magazine that was published in mid-June.

Schwarzenegger wrote in "Total Recall" that he tried to convince himself that Baena's husband was Joseph's father, but the resemblance was so strong that "realized there was little doubt that he was my son."

He said that he kept the affair a secret because he was embarrassed and afraid of facing Shriver's family - the Kennedys. Schwarzenegger admitted that he doesn't know why he cheated but believes it was "a mixture of stupidity and ignorance."

He also said in the book, which is slated for release on October 1, that he still holds hope for a reunion with Shriver, even though others might "call this denial."

Schwarzenegger, meanwhile, recently returned to acting. He reprised his role as Trench in "The Expendables 2," which opened in theaters in August 2012 and also stars Bruce Willis, Chuck Norris, Sylvester Stallone, Jean-Claude Van Damme, Dolph Lundgren, Liam Hemsworth, Jet Li and Jason Statham.

The former politician also launched the USC Schwarzenegger Institute for State and Global Policy on September 24 and held a symposium featuring several politicians as well as stars like Sylvester Stallone.

Schwarzenegger will also be teaching at USC and told the crowd of 700 that he hopes the institute will tackle issues like hunger, health care and global warming, according to the Associated Press.

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