Blog

Preventing infidelity may be as simple as – and this seems obvious – telling the truth. Peggy Vaughn, author of the Myth of Monogamy,...

Ian Kerner’s column on CNN.com this week features my new book The New Monogamy and a newly revised edition of After the Affair by expert...

“Why” is usually the most un-answerable question.  You can ask your partner why they cheated and they might even have a long list of...

Sex addiction experts Dr. David Ley, Robert Weiss, and Marnie Ferree were recently featured on HuffPost Live discussing sex addiction....

Why do some many people cheat? Even researchers don’t know why, although they have their theories. Its hard to explain why people cheat....

My latest blog on YourTango addresses the most common question asked by partners who were cheated on: Why did my partner cheat on me? Why...

Ashley Madison, a dating site intended to help married partners arrange extra-marital affairs, has announced that Washington, DC is the...

A recent survey reported that 98 percent of men admitted to fantasizing about having sex with someone other than their partner. What...

Erotic recovery is a fundamental part of healing after an affair. It addresses a very basic relationship need: to be erotically and...

I was a guest on Huff Post LIVE talking about the “benefits” of infidelity on a relationship – is it possible? In case you didn’t catch...

Sex and desire are deeply complicated and cannot easily be explained in just a few words. Sexual dysfunction is a concern for many, and...

In my latest YourTango blog, I answer some difficult questions like “Why did my partner cheat? Is it my fault? Did I deserve it or do...

Affairs can be painful and shocking and can cause betrayal and hurt. Yet some couples do recover. For some couples, divorce after an...

Trust is not about wishing and hoping that a partner will or won’t behave in a certain way. Trust is about learning to establish trust in...

Erotic recovery is a fundamental part of healing after an affair. Your erotic life together is a very basic relationship need. After...

With all the talk of infidelity and inability to commit, it’s reassuring to see research from an evolutionary psychologist showing that...

Gen. David Petraeus’s affair has brought infidelity to the spotlight and everyone is talking about it. It’s no surprise with the divorce...

I had a lot of fun on HuffPost Live last week – did you catch it? I was part of a panel with HuffPost Editor Ashley Reich, blogger Tracy...

Gen. Petreaus’ affair brings up a good issue: monogamy is not so much a sexual dilemma as it is a moral dilemma. If we are at heart a...

There has been a lot of debate and controversy over whether monogamy is natural for humans. Evolutionary psychologists have theorized...