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15 Marriage Killers That Can Break Even the Happiest Couples Apart

Updated on April 6, 2026 by TMM Staff · Dating & Confidence

A man and a woman holding each other's hand.
©Slav Romanov/Unsplash.com

Marriage is a strong bond, one that is nigh unto unbreakable; at least that is the general notion that the majority of married couples subscribe to. They believe that their bond is different than others, stronger, safer, and emotionally secure. They believe that it is a connection that can stand any challenges and problems that come its way. But the reality is that no marriage is truly invincible. Even the strongest and happiest of marriages where love is abounding can gradually break apart when certain pernicious behaviors appear in them subtly and surreptitiously. These aren’t conspicuous or dramatic betrayals; rather, they are usually silent, small, and imperceptible habits that silently build up over time and keep on accruing damage until it is too late. It is better to nip these negative patterns in the bud and prevent them from inflicting lasting damage on a marriage. Read on and learn about the things that married couples should never overlook if they value their marriage’s strength and cohesion right here.

Lack of Communication

A woman with eyes closed is resting her head on her hand next to a man looking at a phone outdoors.
©Curated Lifestyle /Unsplash.com

When couples stop talking to each other with the depth and nuance that is necessary to keep their connection alive, then distance sets in between them pretty quickly. The silence in a relationship creates unwanted and detrimental assumptions, which in turn can lead to resentment.

Taking Each Other for Granted

A woman is confused while the man speaks confidently.
©Vitaly Gariev/Unsplash.com

When both partners let gratitude and appreciation vanish from their marriage and don’t extend them properly towards each other and their respective efforts, then the emotional connection starts to wane in their relationship. Eventually, it vanishes completely, and once it is gone, then so is the reasoning for both spouses to stay together along with it.

Unresolved Resentment

A man arguing with his depressed wife.
©Getty Images/Unsplash.com

When both partners refuse or fail to address and resolve issues completely and instead leave them unresolved, then it causes resentment to linger and slowly accumulate in their marriage. It keeps on collecting till it eventually explodes outwards in a conflagratory manner, taking the marriage along with it.

Constant Criticism

A husband ignoring his complaining wife.
©Fotos/Unsplash.com

There is a huge difference between constructive feedback and utter castigation. When both partners engage in testing each other and tearing each other down over the smallest misstep and criticism becomes the norm in their marriage, then nothing can stop their relationship from imploding.

Emotional Neglect

A couple plays chess together indoors.
©Odile/Unsplash.com

Both partners in marriage need to realize that it isn’t enough to just be there for each other physically. They need to make accord on emotional care and consideration in their marriage as well. Both partners should strive to make their significant other feel respected, heard, and seen. If they don’t, then their marriage starts to feel hollow and emotionally empty.

Lack of Intimacy

A mature man sits on a bed, looking troubled, with a woman sleeping behind him.
©Getty Images/Unsplash.com

There is nothing quite like emotional and physical intimacy to keep the spark alive in a marriage. But when either of these crucial elements is allowed to fade away, then it deeply damages the bond between partners, one that is essential and irrefutable for keeping a marriage intact.

Financial Secrecy

Woman in a beige coat looking down, with a blurred person in sunglasses walking behind her.
©Andrej Lišakov /Unsplash.com

Both partners should be financially open and honest with each other. But when they start keeping certain expenditures secret, hide debts, or are dishonest about finances, then they destroy the trust in their marriage. For many people, this financial dishonesty is akin to infidelity in terms of intensity, and it eventually leads to a marriage’s total and indelible collapse.

Prioritizing Everything Else Over the Marriage

A professional young woman sitting at an office desk, looking at her laptop and holding a pen.
©Zulfugar Karimov/Unsplash.com

When kids, social life, careers, family members, soaps, and literally everything else start taking precedence over one’s partner in marriage, then the connection keeping the latter alive gradually dies. It is imperative that both partners in a marriage strive to prioritize each other over everything else in their lives, because otherwise their relationship will break apart eventually.

Avoid Conflict Instead of Solving It

A man gently touches the shoulder of a sad or troubled woman sitting curled up on a metal bed frame.
©Gabriel Ponton/Unsplash.com

There are some couples who are wont to avoid hard and difficult arguments just so they can ensure the peace in their marriages. They don’t realize just how destructive unresolved tension can be for their marriage’s integrity and cohesion, for it never truly goes away. It acts as the agent of attrition, eating away at their marriage’s foundation until it crumbles eventually.

Lack of Respect

A man and a woman looking away from each other.
©Christian Agbede/Unsplash.com

Some people just don’t understand that love that isn’t tempered with respect can’t last. When both partners start treating each other with disrespect, openly or subtly, then it erodes the trust and connection that exists between them. No marriage can survive such an ordeal for long and breaks apart once the point of no return is reached.

Outside Interference

A man and woman with Halloween paint on their faces.
©Dollar Gill/Unsplash.com

Marriage is supposed to be a private affair, where all matters and problems are discussed and solved by the two partners that are intertwined in marital bonds. However, excessive external interference and involvement from friends, family members, online opinions, and even strangers serve to create divisiveness between partners, one that culminates in the destruction of their marriage.

Keeping Score

A woman gesturing intensely and arguing with a man who is partially visible in the foreground.
©Blake Cheek/Unsplash.com

When both partners start keeping score about what they did right for the sake of the marriage or what they both owe to each other, then it becomes less a partnership and more like a competitive relationship. No marriage can survive when the spirit of teamwork leaves it because then everything starts feeling transactional and conditional within it.

Loss of Individual Identity

A young girl feels angry about her boyfriend having conflict at home.
©Getty Images/Unsplash.com

A healthy marriage depends on both partners within it maintaining their individual identity and uniqueness. Losing oneself completely within their marriage can culminate in frustration and imbalance setting in within them, a development that holds potentially disastrous repercussions for their marriage’s soundness and cohesiveness.

Dishonesty, Even Small Lies

A stressed woman with hands on face siitin in bed with a man sleeping beside her.
©Curated Lifestyle/Unsplash.com

Trust is a fragile thing, even more so in marriages. When both partners start repeatedly and consistently lying to each other, even about small things, then it gradually damages the trust that exists between them. Nothing can protect a marriage from collapsing once the trust is gone from it completely.

Refusing to Grow Together

A man covering his face with his hand in distress while a woman sits next to him in bed looking away.
©Curated Lifestyle/Unsplash.com

People change with time, and that is completely normal. But if one partner grows while the other remains stuck and stagnates in their way, then the gap between them starts to widen. It eventually grows into a huge chasm, one that can never be bridged.

Final Thoughts

A couple sitting on separate ends of a bed facing away from each other.
©Getty Images/Unsplash.com

Marriages don’t break apart instantly or in a matter of days; it takes a long time and a steady violation of its most crucial and critical principles for them to get dissolved completely. It also doesn’t happen in prominent, dramatic ways. Usually, a marriage starts breaking down in small, almost imperceptible ways until eventually the connection that once felt indestructible vanishes completely. Both partners in a marriage can circumvent this from happening by remaining active, aware, and perceptible towards these negative patterns and working on resolving them before they have the chance to adversely affect their connection.

Dating & Confidence

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About TMM Staff

The Modest Man staff writers are experts in men's lifestyle who love teaching guys how to live their best lives.

If an article is published under TMM Staff, that means multiple writers worked on it. For example, sometimes several of us have experience with a certain brand, so we collaborate to publish a more thorough review.

Or, if an article was originally written by one person, but then it was updated by someone else, we'll re-publish it under TMM Staff.

Remember: all of our articles (including those below) are written by real people with decades of combined experience in men's fashion and lifestyle topics.

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