Forbes contributors publish independent expert analyses and insights. I write about issues at the intersection of ethics and psychology. Cheating in monogamous relationships is prevalent these days.

According to a U.S. News survey, financial infidelity was most common for 18- to 25-year-olds. Hiding debts and/or accounts from a partner was the most common financial secret. The most-cited reason ...

We have reached the conclusion of our series on financial infidelity. We have defined what it is and identified the red flags ...

What are the real reasons why men cheat on their partners? New research reveals that they’re more simple than you probably think. The motivations behind men’ infidelity have been extensively studied.

Add Yahoo as a preferred source to see more of our stories on Google. PeopleImages.com - Yuri A via Shutterstock Infidelity is a complicated subject. Given the difficulty of genuine reporting, ...

Sexual infidelity is one of the most widely condemned relationship transgressions and is often reported as a reason behind relationship breakups. Yet, it is a common phenomenon with over 17 percent of ...

Infidelity creates a seismic disruption in relationships, leaving behind profound hurt, confusion, and fractured trust. The stability once taken for granted suddenly vanishes, prompting deep ...

Infidelity is a relatively common yet potentially devastating occurrence in romantic relationships. Given the heartache and disruptive nature of affairs, it could be beneficial to determine whether ...

Your romantic partner is coming home late more often. They are on their phone constantly. They are acting a little cagey lately. Should you be suspicious of cheating? The co-authored research project ...

I’ll admit it: I’ve gone through a partner’s phone to catch them being unfaithful. But while I scoured their texts for proof of infidelity, I didn’t think to also head on over to their banking apps ...

Affairs shatter the foundation of trust in marriages, leaving emotional devastation in their wake. When infidelity occurs, the explanations offered by unfaithful spouses provide critical insights into ...

No one enters a relationship planning to betray. But sometimes, the heart wears out in silence, attention gets lost in routines, and emotions find no refuge. In the midst of this cracked terrain, some ...