Research Says This One Brutal Factor Drives 67% Of Happily Married Women To Want To Cheat

Researchers found one painful reason most women start fantasizing about having an affair.

Last updated on Jun 16, 2025

A married woman is driven to cheat. Doyo Hermann | Unsplash
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It happens to the best of us: we're in a committed relationship for years, then we realize, "Meh," the passion just isn't what it used to be. It might not be an easy thing to admit, but if you've ever felt that way, you're not alone.

As Eric Anderson, a professor at the University of Winchester, explains, "The most predictable thing about a relationship is that, the longer it progresses, the quality and the frequency of intimacy between the couple will fade. This is because we get used to and bored with the same body."

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This seems like a very human response to monotony, if you ask me. Anderson also happens to be the "chief science officer" at Ashley Madison. If you've yet to hear of this site, then allow me to explain: it's a dating website for married people who are looking to have affairs.

Depending on where you stand on morals, you may either think this is the worst thing in the world or it's a brilliant concept. I fall somewhere in the middle.

As with any dating site, Ashley Madison does their research. Anderson and his fellow scientists surveyed 100 straight, married women between the ages of 25 and 45 to find out why women cheat. 

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According to research, 67% of happily married women want to cheat because they feel their relationship lacks passion. 

woman in a marriage with a brutal factor that drives her to cheat Perfect Wave / Shutterstock

What they found was that 67 percent of the women just want passion (and intimacy) back in their lives again. They want to be wined and dined and made to feel like they're appreciated and attractive again. 

What the study also found is that, of those women, zero of them wanted to get a divorce — they just wanted more affection and romance.

As Anderson noted, "They were adamant that they were not looking for a new husband. Many even stated their overt love for their husbands, painting them in a positive light."

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RELATED: Women Cheat For Entirely Different Reasons Than Men — And The Motives Aren't What You May Think

Relationship expert and author Charles J. Orlando, went undercover on Ashley Madison to see whether if he posed as a married guy looking to have a fling with a married woman, he could come to some understanding as to why women cheat.

According to research from The Journal of Couple and Relationship Therapy, nearly 50 percent of married women and 60 percent of married men will have an extramarital affair at some point in their marriage. And since those percentages have doubled in the last 10 years, it only makes sense that we get to the heart of the matter and figure out why.

Orlando went on a date with three women, whom he referenced in his article. Not only did the three women share the same complaints like "lack of passion," and "lack of attention," but it also seemed to be a constant theme with most of the women in their Ashley Madison profiles.

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At one point, he asked one date why she stayed with her husband, and she said, quite frankly, "I love him." "When a man begins dating a woman, he puts in tons of effort; he woos her.

RELATED: Why Some People Simply Cannot Stop Themselves From Cheating

Once she's 'his,' he stops putting in that effort, but she still longs for it. She wants to be desired, seduced, and connected with regularly.

So many men seem to be missing the boat. They start strong, having a decent sense of how to capture a woman at the beginning, but upon entering a relationship, they are unprepared for the long haul and investment a successful relationship demands past the dating phase.

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The situation starts to reek of complacency and satisfaction in mediocrity," says Orlando. I've been married for less than six months. I may not be at the stage where I'm searching for passion from another man, but even this early on in my relationship, I can say that marriage takes work.

RELATED: Your Spouse Is Most Likely To Cheat With These 5 People, According To Research

As Orlando put it more eloquently than I, "Marriage doesn't take 'work', per se, but it does require concerted effort and investment in each other, and you." I couldn't agree more.

Anyone will tell you there's a difference between love and intimacy, and the same goes for love and passion. 

Just because you love your partner, it doesn't mean you're giving them everything they need. If you want to be "in it to win it," you need to step up your game. I don't condone cheating, but I don't condemn it, either.

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I also don't think we should fault a woman whose husband hasn't paid attention to her in years, physically or otherwise, for cheating. We're intimate beings, and having desires and wanting to be desired is just how we're made.

If anything, Ashley Madison appears to be doing a great service to these women, whose husbands appear to have forgotten them. And, honestly, that's something I never thought I'd say.

RELATED: 3 Heartbreaking Reasons Married Women Cheat (That My Husband Found Out The Hard Way)

Amanda Chatel has been a wellness and relationship journalist for over a decade. Her work has been featured in Glamour, Shape, Self, and other outlets.

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