Book: When Brad and Angelina Break Up in 18 Months, Here's How It Will Happen

Journalist and author Ian Halperin is one of those people you either love or hate. We're guessing if you're Angelina Jolie, you probably wish for the day to stomp on his grave.

In his new book, "Brangelina: The Untold Story of Brad Pitt and Angelina Jolie", Ian paints a "true picture" of the famous couple. He followed Brad and Angie for five year, spoke with 900 sources and went up against legal hurdles to publish the book.

He gives the New York Post, and you, a preview of what to expect.

For one Brad and Angelina will split in 18 months -- if not sooner.

"And here's how it's going to play out," a source says. "They're going to split amicably, work out some kind of arrangement with the kids, and everything will be very civilized. Then you're going to see unidentified friends leak stories how Angelina couldn't put up with Brad's partying and drinking and his pot smoking. She's worried about the kids, and she's afraid it's not the right environment for them. Maybe he'll even take part of the blame and go along with that."

Oh, the drugs: The couple "argues like cats and dogs -- everything from politics to clothes the kids wear and Brad's 'atrocious habit,' which includes pot smoking and alcohol. I talked to several people in Brad's family who wished they'd break up today. They're scared for Brad's safety and his well-being." Ian says...."[Brad and ex-wife Jennifer Aniston] spent much of their married life stoned. But whereas he was chilled out, she could get pretty paranoid."

Oh, the sex: "Brad had never had such incredible sex. My sources say that they sometimes spent 18 to 20 hours a day in bed. But sex eventually wears off."

Oh, the drama: He says Angie is "manipulative, deceiving and cunning", spreading lies about Jennifer to make herself look better in the public eye and not viewed as a homewrecker. "It was Angelina who came up with the whole story about Jennifer not wanting to have kids. She was convinced that is the story that would resonate with all these women who saw her as a man-stealing bitch," a source said.

Oh, the heartache: Ian says Jennifer was pregnant twice (in 2003 and 2004) during her marriage, but suffered miscarriages.

Oh, the guilt: Ian says Brad and Angie have hired a "multicultural" team of nannies to raise their six children, because their too busy working.



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