Why Do Some Affairs Last for Years? 15 Psychological Reasons

Affairs are complex and emotionally charged situations that can significantly affect individuals, relationships, and families. While many affairs are brief and fleeting, some endure for years, leaving those involved grappling with difficult emotions and choices.

Months turn into years. Birthdays pass, holidays come and go, and the secret relationship quietly becomes a part of everyday life. For betrayed partners especially, it can be hard to understand why someone wouldn’t simply leave the marriage or end the affair sooner.

So, let’s try to understand “Why do some affairs last for years?” and explore what these affairs mean, why they persist, their impact on individuals and relationships, and how to approach ending, healing, and preventing such affairs.

What is the meaning of long-term affairs?

They refer to romantic or sexual relationships outside of a committed partnership that endure over an extended period. Unlike casual flings or one-night stands, they involve sustained emotional and physical involvement with someone other than one’s primary partner.

Infidelity itself is more common than many couples assume.

Most affairs don’t last long, so why do some affairs last for years? They’re generally characterized by a deep connection that endures for months or even years, making them distinct from short-term infidelity.

What is the psychology of long-term affairs?

Understanding “Why do some affairs last for years?” requires delving into the complex web of motivations and circumstances that lead individuals to engage in such relationships. If you’ve ever wondered, “Why do affairs last so long?” the answer often lies in the needs they meet.

While each situation is unique, here are some common reasons people become embroiled in these relationships:

• Emotional connection: The bond can become so intense that it’s difficult to break away.
• Lack of fulfillment: People may seek emotional or physical satisfaction elsewhere.
• Escape from problems: The affair offers a temporary break from life’s difficulties.
• Companionship: Loneliness can drive people toward someone new.
• Fear of consequences: Some fear hurting the other person or losing their marriage.

Dr. Jennifer Schulz, LCSW, states, “Long-term affairs often continue because they meet emotional needs that someone feels are missing in their primary relationship. However, these unmet needs do not justify infidelity. Understanding the reasons behind an affair is important, but taking responsibility for the choices made is equally essential.”

15 reasons why some affairs last for years

Affairs are complex and multifaceted, and there can be various answers to why some affairs last for years. It’s important to note that affairs are generally considered unethical and can cause significant harm to all parties involved.

However, understanding the reasons behind their longevity can shed light on the dynamics at play, helping partners and those involved recognize the patterns that keep a secret relationship going:

1. When both people are unhappy in their current relationships

The primary reason people engage in lasting affairs when both parties are married can be that they are unhappy in their current marriages. If their husband or wife doesn’t prioritize or value them and arguments are frequent, being with someone else can be very enticing.

Individuals may turn to affairs as a way to find emotional or physical fulfillment that they are not getting from their primary partners.

Unresolved conflict often plays a quiet role here.

When the same problems keep returning at home, the affair partner can seem to offer the emotional and physical connection that’s missing. That relief is often what makes it hard to give up.

2. They don’t believe in monogamy

It can seem very surprising that many people consider monogamy very restrictive. It’s no surprise that people may use this reason to justify their extramarital affairs.

Your partner might claim that one person cannot fulfill their physical and emotional needs. Even when affairs turn to love, they don’t stop loving the one they are married to, and they may not believe in confining their feelings to one person.

3. Affairs can be addictive

A lot of people may crave the thrill of breaking the rules. Things can get boring for such thrill-seekers when one has settled down and leads a married life. So, to fill that void, people might take risks and do things they usually wouldn’t do.

People with other compulsive behaviors may also be more prone to affairs, as the thrill can produce pleasure hormones in their brains.

4. They really fall in love

Not all affairs are just a way to fulfill physical needs. Even if affairs generally start that way, many people may continue cheating with the same person for years when these affairs turn into love.

Due to social or economic factors, they might be unable to get out of their marriage. So, they continue the affair with someone they love while still being married to a different person.

5. Affairs act as a safe space

In some marriages, people feel disconnected or uncomfortable with their partners. This is a common reason people have affairs: they need to find a safe space somewhere else since their companion cannot provide it.

According to psychology, people often marry to feel security and safety. If this environment is absent in a marriage, people may try to regain their security with another person and keep that relationship going for years.

6. Affairs give a sense of validation

Reassurance and validation are essential in all relationships. Partners who regularly compliment, praise, and support one another tend to feel happier and more connected. When that’s missing, people may get into affairs with those who give them the validation lacking in their marriage.

They feel loved and reassured, which can be one reason people cheat in the first place, and a strong reason they keep the affair going.

7. Affairs can be a coping mechanism

In movies and TV shows, characters often betray their partners’ trust right after a big fight or upsetting news. This might reflect real life. Some people cope with distressing feelings by doing something risky and bold.

While a few might regret it and stop immediately, others may grow dependent on an affair as an emotional crutch. So, whenever something goes wrong with their spouse, they run to the affair partner.

8. Lack of intimacy in the current relationship

When there is a lack of intimacy in a relationship, there might be higher chances of infidelity.

But why can it lead to affairs that drag on for years?

People usually get into relationships to be vulnerable and share physical and emotional intimacy with someone. When their married partner doesn’t allow them or give them space to be intimate, it might feel natural to look for other options.

9. They don’t want to end the current relationship

Marriage is complicated, and that’s part of “Why do some affairs last for years?” Society places importance on making a marriage work, and divorce is often frowned upon. To avoid scrutiny, some may keep up the false act of a happy marriage while cheating in the background.

Others feel financially or emotionally dependent on their partner, so they choose to stay in their marriage while hiding their extramarital affairs.

10. Their current relationship is built on a lie

You must understand that not all marriages are built on love. Some are marriages of convenience or necessity, such as marrying after an unplanned pregnancy to keep up social appearances. This is just one of many scenarios where people feel they have no choice but to marry.

Because they don’t have strong feelings for their spouse, it can be common for them to cheat and keep the affair going smoothly.

11. Affairs fill a void

Sometimes an affair can transcend the physical and become something a person is emotionally invested in. Psychology explains that humans need their sex drive, romantic love, and attachment to be fulfilled. 

When a spouse falls short of fulfilling one of these needs, people may subconsciously seek another person to fill the void. Finding someone who does can make them feel incredibly content, which keeps the affair alive.

12. They are in an affair with a toxic person

An affair with a toxic person can be just as dangerous as any other toxic relationship.

But how long do affairs last on average with a toxic person?

The answer might not be that simple. Because such people can be controlling and manipulative, they may make the affair last far longer than the other person wants. Through emotional manipulation or even blackmail, they make it almost impossible to back out.

13. Emotional escapism

In some cases, affairs serve as a form of emotional escapism for those involved. Life’s stresses, responsibilities, and challenges can become overwhelming.

When people feel trapped in their daily routines and emotional burdens, they may turn to an affair to temporarily escape their problems. It can give them a sense of excitement, novelty, and relief from the pressures of their regular lives, making its allure hard to escape.

14. Fear of being alone

Fear of loneliness can be a powerful motivator for some people involved in lasting affairs. They may dread the prospect of being single or facing life without the emotional support or companionship their affair partner provides.

Such fear can keep them entangled in the affair, even if they acknowledge its harmful effects. They might prioritize avoiding loneliness over addressing the issues in their existing marriage or partnership.

15. Lack of closure

Closure plays a significant role in why some affairs last for years. When there’s no clear resolution, the affair can drag on indefinitely. This lack of closure can result from unresolved feelings, guilt, or the fear of consequences.

People involved may struggle to find a way to end it definitively, and this uncertainty can prolong the secret relationship despite its negative consequences for everyone involved.

Impact of affairs on individuals, relationships, and families

Affairs that continue over time can have profound and detrimental effects. Individually, they can lead to guilt, emotional turmoil, and a sense of betrayal.

They can erode trust, communication, and intimacy in relationships, sometimes causing irreparable damage. Families may experience disruption, as secrets and lies strain the bonds between spouses and children.

Dr. Jennifer Schulz, LCSW, highlights, “Discovering a long-term affair can be especially painful because the betrayal involves repeated choices over an extended period. The hurt often goes beyond the affair itself, as the betrayed partner may begin questioning their memories, their relationship, and their ability to trust again.”

Children may also carry these effects into their own adult relationships.

Overall, these affairs can result in emotional trauma, shattered relationships, and the need for extensive healing and therapy to rebuild trust and stability in the lives of those involved.

How to end a long-term affair

Ending an affair that has lasted for years can be a complex and emotionally challenging process. It typically involves a series of steps, starting with an honest conversation with your affair partner about your decision to end the relationship.

Being transparent and firm about your intentions is essential, emphasizing your commitment to your primary relationship or personal growth. Cutting off all contact with the affair partner is crucial, including blocking communication channels.

Seek support from trusted friends or a therapist to navigate the emotional turmoil that may follow. Focus on rebuilding trust and intimacy in your primary relationship, and consider couples therapy if needed.

Ultimately, ending an affair can require commitment, self-reflection, and a determination to move forward in a healthier, more faithful direction.

5 ways to heal from a long-term affair

Healing from an affair can be a challenging and deeply emotional process that may require time and effort. There’s no set timeline, and progress often comes in waves rather than a straight line. Some days may feel hopeful, while others bring back old pain.

Here are 5 steps to help you on your journey to recovery, whether you choose to rebuild together or move forward separately:

1. Open and honest communication

Initiate candid conversations with your partner to discuss the affair’s details and emotions. Sharing your thoughts and feelings can help both parties understand the situation better and can be a crucial step toward healing and rebuilding trust.

These conversations may feel painful at first, but avoiding them often prolongs the hurt. Give each other space to speak, listen without interrupting, and return to difficult topics when needed.

2. Therapeutic support

Consider seeking individual therapy to address the affair’s underlying reasons and work through personal issues. Couples therapy can facilitate productive communication and assist in the process of forgiveness and reconciliation.

A trained therapist offers a neutral, safe space where both partners can express difficult emotions. They can also help you decide together whether and how to rebuild the relationship moving forward.

3. Transparency and accountability

Be transparent with your partner about your actions, whereabouts, and intentions. Allow them access to information that can help rebuild trust, such as social media passwords or phone records.

Demonstrating accountability for your actions can show your commitment to healing and rebuilding the relationship. Over time, this openness can help the betrayed partner feel safer and less anxious about what might be hidden.

4. Self-reflection and responsibility

Take time to reflect on your actions and motivations behind the affair. Accept responsibility for your choices without blaming your partner. Understanding the root causes can help prevent future transgressions.

This process can feel uncomfortable, but it often reveals unmet needs, patterns, or personal struggles that deserve attention. Working through them honestly gives the relationship a better chance to heal and grow.

5. Rebuilding trust slowly

Rebuilding trust is a gradual process. Be consistent, reliable, and patient in your efforts. Reassure your partner through actions and words that you are committed to change and the health of your relationship.

Understand that trust may take time to restore fully. Expect setbacks along the way, and remember that small, steady actions repeated over months often matter more than grand gestures or promises.

Dr. Jennifer Schulz, LCSW, points out, “Rebuilding trust after infidelity takes more than an apology or a promise to change. The partner who broke the trust must demonstrate honesty, accountability, and consistent behavior over time. The betrayed partner also needs space to process their emotions without feeling pressured to forgive before they are ready.”

Watch Samuel, a speaker & coach, explain the importance of reliability in recovery and share helpful tips on rebuilding trust after infidelity:

FAQs

Affairs are complex relationships that raise numerous questions about their nature and consequences. Here are concise answers to some commonly asked questions about affairs:

In conclusion

Answering “Why do some affairs last for years?” can be challenging as there isn’t one universal answer. Every single individual is unique, which makes every relationship unique. Some affairs may start as a way to get physical satisfaction but could become much more.

Sometimes, these affairs can take the form of love, which may even last after a divorce. Other times, people feel trapped.

If you think you might be stuck in an addictive affair, or you’re healing from one, seeking professional help can be one of the best solutions. A therapist can help you move forward with more clarity.

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Sylvia Smith loves to share insights on how couples can revitalize their love lives in and out of the bedroom. As a writer at Marriage.com, she is a big believer in living consciously and encourages couples to adopt this principle... Read more in their lives too. Sylvia believes that every couple can transform their relationship into a happier, healthier one by taking purposeful and wholehearted action. Read less

 

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