Buhle's book, "If We Break: A Memoir of Marriage, Addiction, and Healing," came out at the same time as the interview.

After 24 years of marriage, Buhle and Hunter Biden split up in 2017. The two of them have

In the book, Buhle talks about Hunter Biden's drug use and how she kicked him out of the house when she found a crack pipe. She also talks about his many extramarital affairs, including the scandalous one with the widow of his late brother Beau, and what it's like to be a Biden.

In an excerpt of the book that came out earlier this month, Buhle wrote that her then-husband had an affair with Hallie Biden soon after Beau died of brain cancer in May 2015.

Hunter Biden was helping Hallie and her parents set up the Beau Biden Foundation at the time.

A marriage counselor told Buhle that they should spend time together to talk about their grief.

"But then he started going to Hallie's house most of the time. "Hunter needed to be up there helping Hallie, our therapist told me," Buhle wrote in the book. "I asked her, "But what about his sobriety?" "He needs a schedule. He needs to be with us at home."

But Buhle said that the counselor told her that Hunter being with Hallie and her kids was "an important part of Hunter's grieving process."

Buhle has three daughters with Hunter Biden: Maisy, 21, Finnegan, 23, and Naomi, 28. She wrote that she found out about the affair when their children found text messages between their father and Hallie on his phone.

She remembers getting "the kind of call that makes every parent's chest tighten" in November 2016 when a crying Finnegan called in during a visit with their family therapist, whose name was "Debbie."

Buhle drove to Debbie’s house and found “Finnegan curled in a chair, holding a pillow while she wept.”

As Naomi listened in, Buhle wrote, Finnegan asked Debbie to explain why she was upset.

“Debbie looked me in the eye and calmly said, ‘Kathleen, Hunter’s having an affair with Hallie,’” Buhle details in the book. “I could see Finnegan’s face relaxing now that the secret was out and I hadn’t fallen apart. If anything, I felt a strange vindication. Not only had I not been crazy, but it was so much worse than I could have imagined.”

She and Hunter Biden broke up in October 2015, and she later filed for divorce, saying that he "spent a lot of money on his own interests, like drugs, alcohol, prostitutes, strip clubs, and gifts for women with whom he has sexual relations, while leaving the family with no money to pay real bills."

Since then, Buhle has said that she has "forgiven" the president's son. She has also said that she has nothing to say to a federal grand jury that is looking into the president's son for possible tax evasion, money laundering, and lobbying law violations.

In October 2020, the Post published a series of stories about Hunter Biden's business dealings abroad while his father was Barack Obama's vice president.

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