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I write about relationships a lot because I want to know what actually makes them last.
It’s a question I think about constantly: What really makes a relationship work?
We usually hear the same answers. A good relationship needs clear communication, shared values, and a mutual commitment to stay together. These things are incredibly important. They build the initial foundation and show us if two people are a good match.
But I have seen many couples who had all of these things still break up. That’s because even a strong foundation can fall apart if there isn’t a deeper, hidden base underneath it. Think of it like a bunker under a house. We don’t usually look for it when we first fall in love, but it’s the one thing that actually decides if a relationship will survive the hard times.
I’m not saying we should ignore shared values or good communication. But the truth is, there will be times when you and your partner struggle to talk. There will be days when your values clash or when the effort in the relationship is not exactly equal. Life gets stressful and exhausting. In those moments, the standard advice we hear is not enough to keep things together. When the obvious foundation cracks, that hidden bunker is what keeps the relationship standing. That hidden factor is personal growth.
To make a relationship last for decades, both partners need to be committed to growing as individuals. We don’t have to grow at the exact same speed, nor do we have to grow in the exact same way. One person might go to therapy, while the other reads or simply spends time reflecting on their actions. The method doesn’t matter. What matters is that we both share the same core intention: we both want to improve.
The hardest breakups don’t happen because two people stopped loving each other. They happen because one person grew and the other refused to change. You see this when one partner starts healing their past wounds while the other refuses to examine their own destructive behavior—or when one person tries to break bad habits while the other stays completely stuck in them.
When one partner chooses to grow and the other chooses to stay exactly the same, they eventually drift apart.
No amount of shared hobbies or common values can fix that gap. If a relationship is going to survive, both people have to be willing to do the uncomfortable inner work. When both partners commit to working on themselves, the relationship improves. Arguments turn into chances to understand each other. Mistakes become ways to learn instead of reasons to walk away.
To stay committed to personal growth, we first need to realize just how deeply our inner work impacts our relationships. When we ignore our own emotional health, our unhealed wounds end up running the show. We react instead of responding, project our fears onto our partner, and repeat old patterns. Realizing that working on ourselves is the greatest gift we can give to our relationship is what gives us the motivation to start.
Once we understand its importance, we have to treat personal growth like any other vital habit that keeps our relationship thriving. This doesn’t mean changing our entire life overnight.
It means choosing small, consistent habits that fit into our daily routine:
>> Daily reflection: Setting aside just 10 minutes every morning or evening to journal, meditate, or simply sit with our thoughts and check in with how we are feeling.
>> Regular self-education: Reading books, listening to podcasts, or going to therapy to better understand our behavior and learn healthier ways to handle conflict.
>> Weekly honest check-ins: Having an honest, judgment-free conversation with our partner once a week to share what we are both learning about ourselves and where we still feel stuck.
Growth doesn’t happen by accident. It takes intentional effort and daily practice, but over time, those small moments of reflection turn into a stronger, far more resilient relationship.
In the end, a lasting relationship is not about finding someone who perfectly matches who we are today. It is about choosing someone who is willing to do the hard work to support and understand us tomorrow.
author: Elyane Youssef
Image: Suzy Hazelwood/Pexels
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