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20 Reasons Why Marriages Fail in The First Five Years

Updated on September 16, 2025 by TMM Staff · Dating & Confidence

A woman lies in bed looking emotional.
©Getty Images/Unsplash.com

Marriage looks simple from the outside. Two people fall in love, plan a wedding, exchange vows, and imagine happily ever after. But those first five years? They’re a minefield. That’s when the idealized picture collides with the reality of bills, responsibilities, habits, quirks, and sometimes unresolved baggage

After a couple of arguments and a fair share of rather forgettable moments, most couples decide that the future looks bleak with their current partner. Here’s why so many marriages collapse before they even reach that fifth anniversary.

Table of Contents

Toggle
  • 1. Unrealistic Expectations From the Start
  • 2. Lack of Communication
  • 3. Financial Strain
  • 4. In-Law Conflicts
  • 5. Different Life Goals
  • 6. Infidelity
  • 7. Intimacy Problems
  • 8. Power Struggles
  • 9. Immaturity
  • 10. Lack of Boundaries
  • 11. Unresolved Past Trauma
  • 12. Rushing Into It
  • 13. Neglecting the Relationship
  • 14. Stress From Children
  • 15. Lack of Appreciation
  • 16. Addiction
  • 17. Poor Conflict Resolution
  • 18. Growing Apart
  • 19. Lack of Trust
  • 20. Mental Health Challenges

1. Unrealistic Expectations From the Start

A woman smiles while looking out a window.
©Getty Images/Unsplash.com

A lot of people walk into marriage expecting it to fix things. They think saying “I do” will automatically bring stability, fulfillment, and endless romance. But marriage brings the best (and worst) out of people, and when people finally get to see the bad side, they feel absolutely shellshocked.

Couples who expect things to be difficult are usually the ones who thrive. They know marriage isn’t about perfection. It’s about commitment, even when things feel messy, inconvenient, or downright exhausting.

2. Lack of Communication

A woman sits on a couch holding a phone and looking distressed.
©Getty Images/Unsplash.com

Most relationships die slowly, not suddenly, and the silence between partners is often the quietest killer. When communication breaks down, misunderstandings multiply. One person feels unheard, the other feels attacked, and small disagreements grow into huge rifts.

The fix isn’t complicated. Talk, listen, and stay curious about each other. Even a simple check-in at the end of the day can keep the connection alive. When people stop talking, they stop knowing each other.

3. Financial Strain

A person holds an empty wallet.
©Frank van Hulst/Unsplash.com

Money doesn’t just pay the bills. It symbolizes security, freedom, and even love in subtle ways. When financial stress hits early, such as student loans, job loss, or overspending, it throws a wrench into every goal couples want to strive for.

Couples often clash when one wants to save and the other wants to spend. If those differences aren’t openly discussed, resentment festers. Financial planning as a team can save both the budget and the relationship.

4. In-Law Conflicts

A group of older adults sit at a table talking with a smiling woman.
©Getty Images/Unsplash.com

Marriages don’t happen in isolation. In-laws and extended family bring their own expectations, traditions, and opinions. For some, it’s manageable. For others, it’s chaos.

If boundaries aren’t set, one partner ends up feeling like an outsider in their own marriage. The couples who handle this well usually draw a firm line. Their marriage comes first, even if that upsets mom or dad.

5. Different Life Goals

A baby holds an adult's finger.
©Aditya Romansa/Unsplash.com

Love feels enough at first, but five years is plenty of time for bigger questions to demand answers. “Do we want kids? Do we want to move abroad? What does retirement look like?”

When those answers don’t align, couples face a painful truth. Love alone doesn’t bridge core life goals. Partners who don’t talk about the future before marriage often find themselves stuck in a present they never wanted.

6. Infidelity

A man holds his head looking stressed.
©Malachi Cowie/Unsplash.com

Cheating wrecks marriages, and it’s not always about sex. Emotional affairs can be just as destructive. Infidelity destroys the foundation of trust, and rebuilding that trust is often harder than people think.

What’s painful is that affairs usually grow out of needs that weren’t met, like loneliness, neglect, or lack of intimacy. By the time cheating happens, the marriage is already in crisis.

7. Intimacy Problems

An unmade bed with dark sheets and pillows.
©Lala Azizli/Unsplash.com

Most couples think that intimacy is shared with hugs and kisses. But some would argue it’s just as emotional as it is physical. It’s the little touches, the looks across the room, the shared laughter. When intimacy fades, marriages turn into roommate arrangements.

Stress, kids, or exhaustion often push intimacy aside. But without intentional effort to bring it back, the distance becomes permanent. Couples need affection as much as they need oxygen.

8. Power Struggles

A man points directly at the camera.
©Dan Burton/Unsplash.com

Early marriage often feels like a contest of who sacrifices more. Who compromises more? Who gets to decide the direction of the household? These struggles turn couples into opponents instead of partners.

The healthiest couples understand that marriage isn’t about winning. It’s about building together. Control kills connection, and compromise fuels it.

9. Immaturity

A woman sits at a table on the phone with papers and a laptop.
©Getty Images/Unsplash.com

Emotional maturity is a big deal when it comes to marriage. When people make reckless decisions and don’t want to face the consequences, those actions alone can end a marriage pretty quickly.

Some couples marry before they’ve built those qualities. When arguments escalate or when responsibility feels overwhelming, a person’s immaturity surfaces fast, and it often pushes the marriage off course.

10. Lack of Boundaries

A man works on a laptop while a woman looks at her phone in the kitchen.
©Getty Images/Unsplash.com

Without boundaries, outside influences seep in. Friends, coworkers, even hobbies start to take more space than the marriage itself. Social media can also create friction if privacy lines aren’t respected.

Boundaries are less about restriction and more about respect. A marriage without them leaves one partner feeling sidelined while the other feels unfairly criticized. Neither survives long in that environment.

11. Unresolved Past Trauma

A man sits in silhouette with his head in his hand by a window.
©Adam Custer/Unsplash.com

Marriage doesn’t erase old wounds. If someone carries unresolved trauma from childhood or past relationships, those wounds eventually show up in fights, withdrawal, or distrust.

Ignoring trauma doesn’t make it vanish. Couples who seek therapy together often manage better. The marriage becomes a place of healing instead of another battlefield.

12. Rushing Into It

A close-up of two hands holding with a diamond ring visible.
©Andre Tan/Unsplash.com

Sometimes people get married too soon. The passion is strong, the connection feels unstoppable, and they don’t pause to test the relationship in different seasons of life.

Then reality hits. They realize they didn’t know each other’s flaws, triggers, or deeper values. Rushing leaves little foundation. Without a solid base, marriages crack under pressure.

13. Neglecting the Relationship

A couple holds hands while sitting close together in jeans.
©Kateryna Hliznitsova/Unsplash.com

A strange thing happens after the vows. Some people stop trying. They stop planning dates, stop showing affection, stop making the small gestures that once came naturally.

Marriage requires maintenance. When effort dies, romance dies with it. It’s like owning a car. You can’t expect it to run forever without oil changes. Neglect leads to breakdown.

14. Stress From Children

A tired mother holds a crying baby with an apple.
©Getty Images/Unsplash.com

Children bring joy, but they also bring sleepless nights, financial pressure, and less time for each other. Many couples aren’t prepared for how drastically kids change the dynamic.

If partners don’t carve out time for their relationship, they end up co-parenting instead of partnering. That shift is often what creates long-term distance.

15. Lack of Appreciation

A man in an apron leans on a table while looking at his phone in a workshop.
©Getty Images/Unsplash.com

When gratitude fades, resentment grows. “Thank you” may seem small, but over time it signals recognition. Without it, life together feels transactional, like roommates dividing chores.

Feeling unseen eats at people. Couples who regularly appreciate each other don’t just survive, they thrive.

16. Addiction

A man smokes a lit cigarette.
©Reza Mehrad/Unsplash.com

Addiction, whether to alcohol, drugs, gambling, or even excessive gaming, destroys stability. It creates secrecy, drains finances, and shifts priorities away from the marriage.

The partner without the addiction often feels abandoned and powerless. Without intervention, addiction usually expands until the marriage collapses under its weight.

17. Poor Conflict Resolution

A man in glasses pinches the bridge of his nose looking stressed.
©Getty Images/Unsplash.com

Every couple fights. The big difference is how they do it. Screaming, blaming, or shutting down only makes things worse instead of trying to resolve the issue.

Healthy couples fight fairly. They listen, they focus on the problem instead of the person, and they aim to solve instead of win. Without that skill, every fight becomes another brick in the wall between them.

18. Growing Apart

A couple holds hands while walking outdoors.
©Eduardo Ramos/Unsplash.com

People evolve, and sometimes they evolve in different directions. Interests, values, or even personalities change. What once felt like compatibility slowly drifts into incompatibility.

If couples don’t invest in growing together, they wake up one day living with someone they don’t recognize. It’s not sudden. It’s the slow unraveling that does the damage.

19. Lack of Trust

A man in a beanie and jacket looks out at city buildings.
©Annika Wischnewsky/Unsplash.com

Trust is more than showing you’re faithful and loyal. It’s about being reliable. It’s about keeping promises. It’s about showing up. When those things are lacking, the doubts and suspicions start to creep in.

Without trust, love suffocates. Every action is second-guessed and every word questioned, and that kind of environment crushes intimacy fast.

20. Mental Health Challenges

A man leans against a window looking thoughtful.
©Annika Wischnewsky/Unsplash.com

Depression, anxiety, or other mental health struggles don’t just affect the individual. They affect the marriage. Left unaddressed, they create distance, misunderstanding, and resentment.

When couples treat mental health as a shared responsibility, marriages survive. When they dismiss it, the relationship weakens until it eventually breaks.

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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