Be Careful Of Threesomes — They Can Completely Ruin Your Marriage

Demi Moore reveals in her new book that one reason she and Ashton Kutcher divorced was because they engaged in threesomes, which eventually led the actor to stray.

The actress, 56, writes in her new book, Inside Out, that Kutcher, 41, was the one who brought up the idea of threesomes.

“I wanted to show him how great and fun I could be,” Moore wrote, calling her decision a “mistake.”

Kutcher then continued having fun on his own, she wrote, saying she eventually learned he had cheated on her at a bachelor party.

“I felt sick to my stomach,” she said. “I knew she wasn’t lying … Because we had brought a third party into our relationship, Ashton said, that blurred the lines and, to some extent, justified what he’d done.”

Bringing in other sexual partners into a marriage can spell disaster.

Relationship expert April Masini told Personal Space that "threesomes are a surefire way to bust up a marriage."

"The reason is that sex is not always simple. It is usually complicated, and sexual acts often create emotional ties," Masini said. "These new emotional ties, outside the marriage, lay the groundwork for intimacy beyond what one has with a spouse — and not just sexual intimacy, but real relationship intimacy. So, when couples bring a third party into the bedroom for fun, they often find that new relationships form as a result of these threesomes. These new relationships can become serious threats to the marriage."

Masini added that looking for sex outside the marriage can often follow threesomes, as was the case with Kutcher, according to Moore. 

"Another reason that threesomes are a relationship wrecking ball is that they change the landscape of the relationship and give the partners cause to start looking for sex outside the relationship," she says. "This is what may have happened in the marriage that Moore and Kutcher once had. According to quotes from Moore's new book, a threesome that she and her then-husband had gave Kutcher the excuse for going outside the marriage for sex. She says that he told her that he felt that she had given permission for him to do so by agreeing to a threesome in the first place. He was just following suit — but without her. Whether or not you agree with him, his excuse would not exist without that threesome."

"If you don’t feel that you can go into a marriage — which is a big commitment — without threesomes, then maybe you’re not ready for the commitment of marriage," April added. "If that sex with a third person or sex outside the marriage is very important to you, reconsider the sacrifice that longterm marriage requires to be successful."