The post Why Men Have Affairs: 8 Reasons That May Surprise You first appeared on Crafting Your Home
Affairs rarely have a single explanation. While cheating is often reduced to a simple idea about desire, research suggests the reasons people become unfaithful can be far more complicated, involving everything from seeking novelty to feeling disconnected, wanting validation, or responding poorly to difficult circumstances.
Understanding those motivations does not remove responsibility. It does, however, offer a clearer look at why some people cross boundaries in relationships and why the story behind infidelity is often more complicated than it first appears.
A widely discussed study led by University of Maryland researcher Dylan Selterman identified eight different motivations people reported for infidelity. The findings did not suggest that every person who cheats does so for the same reason, but they revealed several recurring patterns among people who reported affairs.
Sexual desire can be one factor, but it is not the whole story

One commonly discussed reason for infidelity is sexual desire. Some people may seek experiences, levels of intimacy, or forms of sexual connection they feel are missing from their current relationship.
However, dissatisfaction in one area of a relationship does not automatically explain or excuse betrayal. A person facing challenges around intimacy still has choices about whether to communicate openly, address the issue, or make decisions about the future of the relationship before becoming involved with someone else.
The distinction matters because it moves the conversation away from the idea that cheating is simply an unavoidable result of unmet needs.
The search for variety can create temptation
For some people, infidelity is connected to a desire for novelty. The attraction may not be only about another person, but about the excitement of something different or the feeling of experiencing something new.
This motivation highlights a difficult reality about relationships: commitment often requires managing desires that may conflict with the promises people make to each other.
Wanting something new can be a human feeling. Choosing secrecy instead of honesty is a separate decision.
Feeling neglected can leave someone vulnerable
Another motivation identified in the research was feeling neglected. Some people who reported infidelity described feeling unseen, unsupported, or disconnected from their partner.
Emotional distance can become a serious issue in a relationship, especially when partners stop discussing what they need from one another. But feeling lonely within a relationship does not mean cheating is the only possible response.
A relationship struggling with attention, affection, or communication still involves two people who can choose how they address those problems.
Related: Married Women Are Cheating Too: 9 Troubling Reasons Behind The Shift
Losing love can change how someone views a relationship
Some people reported cheating after feeling that their emotional connection with their partner had weakened or that they had fallen out of love.
When someone believes a relationship has changed, difficult conversations may be necessary. Ending a relationship, seeking repair, or acknowledging that things are no longer working are all different from beginning another relationship in secret.
Infidelity can sometimes reveal that a relationship was already facing serious challenges, but it does not prove that those challenges made betrayal inevitable.
Anger and retaliation can play a role
Some affairs are connected to anger or a desire to hurt a partner after conflict, resentment, or a perceived betrayal.
Using an affair as a response to pain often creates additional damage rather than resolving the original problem.
A relationship may contain conflict, disappointment, or hurt feelings, but those struggles do not remove personal responsibility for how someone chooses to respond.
Low commitment can affect how people approach fidelity
Commitment was another factor identified in the research. Some people may have different views about exclusivity, or a couple may not have clearly discussed what faithfulness means within their relationship.
Assumptions can create problems when partners believe they share the same expectations but have never openly discussed them.
Clear conversations about boundaries, commitment, and what each person considers a violation can help prevent misunderstandings.
Seeking validation can influence decisions
The research also identified self-esteem and validation as possible motivations. Attention from someone new may make a person feel desired, attractive, or important.
For some people, outside attention can feel powerful because it provides a temporary sense of reassurance.
But external validation does not address the larger questions about trust, honesty, and the agreements people have made with their partners.
Opportunity and circumstances can lower boundaries
Situational factors can also contribute to infidelity. The research identified circumstances such as opportunity and situations where boundaries may become easier to cross as another motivation reported by some participants.
An unexpected opportunity may create temptation, but circumstances alone do not make a decision happen. Affairs are often shaped by a series of smaller choices, including private conversations, secrecy, and decisions about boundaries.
What the research says about men and cheating
The research found some differences between men and women in the motivations participants reported. Men were more likely than women in the study to report sexual desire, variety, and situational factors as motivations, while women were more likely to report feeling neglected.
Those findings describe patterns among the people studied. They do not explain every individual man or woman who experiences infidelity, and they do not mean that one group has a single reason for cheating.
The larger takeaway is that infidelity is rarely explained by one simple cause.
An affair is often a chain of decisions
Many people imagine cheating as one sudden moment, but relationship boundaries can shift through a series of choices. A private conversation, hidden messages, emotional closeness with someone outside the relationship, or repeated decisions to avoid honesty can all become part of the path toward betrayal.
A difficult relationship may explain the circumstances someone was facing. It does not erase responsibility for the decision to break an agreement.
Relationships can experience conflict, distance, and changing needs. The difference is often found in how people respond: through honest conversations, repair attempts, difficult decisions, or ending a relationship before starting another.
The reason behind an affair may help explain what happened. It does not change the fact that trust was broken.
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