<pre><pre>Billionaire James Packer speaks frankly about his broken engagement with Mariah Carey

Australian businessman James Packer left with US superstar Mariah Carey for 18 months before they canceled their commitment in 2016.

And the billionaire has spoken frankly about the couple's failed relationship in the new biography The Price of Fortune: The Untold Story of James Packer.

The 51-year-old says he became "toxic" at the time of his separation, according to an excerpt published Tuesday by The Daily Telegraph.

"I had become toxic": billionaire James Packer speaks frankly about his broken engagement with Mariah Carey … after reporting, he paid the singer an "inconvenience fee" of $ 70 million after the separation. Photographed in New York City in May 2016.

"By the time the so-called Case 1000 of Israel was made public, the arrests in China and the sale of Macao by Crown and the breakup with Mariah had occurred, it had made me toxic," he says in the book.

James continues to deny the filtering details of Mariah's agreement after the couple's failed commitment.

"I have absolutely nothing to do with history", is quoted in the next biography.

About: The billionaire talks about the couple's failed relationship in the new biography The price of fortune: The untold story of being James Packer. The 51-year-old says he became "toxic" at the time of his separation. Photographed in Italy in June 2015.

Mariah reportedly received an "inconvenience fee" of USD $ 50 million (AUD $ 70 million) after the separation, and The Daily Telegraph reported that it was initially "ready to accept $ 7 million to leave" before it allegedly will increase the sum.

Daily Mail Australia has contacted Mariah Carey for comments.

In another extract from the volume published by Who magazine, James said that the high-profile romance was initially "fun," but he was mentally in a dark place.

False news! James continues to deny the filtering details of Mariah's agreement after the couple's failed commitment. "I had absolutely nothing to do with history," he quotes in the next biography.

Plus? Mariah reportedly received an "inconvenience charge" of USD $ 50 million after the separation, and The Daily Telegraph reported that it was initially "prepared to accept $ 7 million to leave" before it allegedly increased the amount

He also described his ex-fiancée as "incredibly bright."

However, the casino magnate, who was later admitted to a rehabilitation center in March 2018, confessed that he was fighting against his mental health in the middle of their relationship.

In February 2016, just one month after I proposed Mariah a 35-carat diamond ring with a value of USD $ 10 million (AUD $ 12.7 million), apparently I was not doing it right.

Difficult: "It was wrong, bad," James said, reflecting on the dark period of his life at the time he separated from Mariah.

"It was wrong, bad," James said, reflecting on the dark period of his life.

Over time, the number of victims became excessive and the relationship collapsed, with James and Mariah, who abruptly canceled in October 2016.

James met Mariah in Aspen, Colorado in late 2013 and their relationship made headlines around the world.

The Price of Fortune, The Untold Story of Being by James Packer by Damon Kitney is available as of October 22

At first, James explained that his relationship with Mariah was "fun to begin with", describing his ex-fiancée as "incredibly bright". Photographed together in Los Angeles in May 2016

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