When Broken Promises Damage Trust...

When Broken Promises Damage Trust

I want to sit with you in this for a moment, because “trust broken by broken promises” is one of the most painful places a person can land in a relationship.

Here’s what I know from my work: when trust breaks, we almost always rush to assign blame. One person promised. One person broke it. One person is the problem. But I want to offer you a different lens.

When promises get broken, the nervous system can’t rest because the ground keeps shifting underneath it. Your body registers this instability. You stop being able to trust the future. You start bracing instead of breathing.

And here’s the thing about that bracing—it becomes its own problem. The person who was hurt starts protecting themselves, raising their guard, withdrawing from vulnerability. Meanwhile, the person who broke the promise often drowns in shame, which can look like withdrawal or defensiveness or even attack.

Then both people are in their protector parts. Both are doing exactly what they need to do to survive the pain. From the outside it looks like one person is cold and one person is guilty, but underneath? Both are scared.

These protector parts aren’t who either of you are. They’re adaptations. They’re what the nervous system does when it feels unsafe.

The real work happens when both partners can stop protecting themselves from each other and start protecting the relationship together. But that shift can’t happen while both people are still in survival mode.

I see couples get stuck here all the time. The hurt partner thinks they need guarantees before they can trust again. The promise-breaker thinks they need forgiveness before they can show up differently. Both are waiting for the other to move first.

But trust isn’t rebuilt through promises. It’s rebuilt through consistent, small actions over time. It’s the promise-breaker learning to tolerate their shame without defending against it. It’s the hurt partner learning to notice when their nervous system is activated and communicating that instead of shutting down.

It’s messy work. It means the hurt partner might need to risk being disappointed again. It means the promise-breaker has to sit in the reality of the damage they caused without trying to fix it with words.

What I’ve learned is this: the couples who make it through don’t do it by going back to who they were before the trust broke. They do it by becoming people who can hold this kind of rupture together, who can say “this happened, it hurt us both, and we’re going to figure out how to be different going forward.”

The broken promise isn’t just about what didn’t happen. It’s about what it revealed—maybe that you’re both carrying more than the relationship can hold right now, or that old wounds are still driving the bus. The real question isn’t just how to rebuild trust, but how to build the kind of relationship that can weather this kind of storm.

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About Figs O’Sullivan, LMFT
Figs is a licensed marriage and family therapist with 16+ years of experience working with couples. He’s the co-founder of Empathi, host of the “Come Here to Me” podcast, and author of an upcoming book on relationships and the systems that shape how we love.

Read more: How to Rebuild Trust After Lying: What Actually Works

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Fiachra "Figs" O’Sullivan is a Certified EFT Therapist (ICEEFT), a renowned couples therapist, and the founder of Empathi.com. He believes the principles of secure attachment and sound money are the two essential protocols for building a future filled with hope. A husband and dad, he lives in Hawaii, where he’s an outrigger canoe paddler, getting humbled daily by the wind and waves. He’s also incessantly funny, to the point that he should probably see someone about that.

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Frequently Asked Questions

How do I rebuild trust after my partner broke multiple promises?+
Here's what I know from my work: when trust breaks, we almost always rush to assign blame. One person promised, one person broke it, one person is the problem. But trust repair isn't about blame. It's about understanding that when promises get broken, your nervous system can't rest because the ground keeps shifting underneath it. Your body registers this instability and starts bracing instead of breathing. Real trust repair requires what I call proof-of-work of empathy. The person who broke promises needs to sit with the pain they caused without defending themselves. And the hurt partner needs to slowly learn to receive again, which is terrifying when you've been let down.
Why does it feel impossible to trust my partner's promises anymore?+
Your body is doing exactly what it's designed to do. When promises get broken repeatedly, your nervous system learns that the future is unsafe. You start bracing instead of breathing, and that bracing becomes its own problem. What happens next is what I call the Versus Illusion. The hurt partner starts protecting themselves, raising their guard, withdrawing from vulnerability. Meanwhile, the promise-breaker feels judged and starts defending or withdrawing too. Now you're in the Waltz of Pain where two childhood strategies collide. The solution isn't to force trust. It's to understand that you're both reacting to protect yourselves, and that reaction is childlike, not childish.
Is it normal to feel like I'm walking on eggshells after breaking my partner's trust?+
Absolutely. What you're experiencing is the shame spiral that happens when we've hurt someone we love. You're probably living in what I call the basement, hiding from your partner's pain because facing it feels unbearable. But here's the thing: avoiding your partner's hurt only makes the trust wound deeper. The path forward isn't to keep tiptoeing around or defending yourself. It's to learn how to sit with the pain you caused without making it about you. This is incredibly difficult work, which is why I created Figlet, our AI relationship coach to help couples practice these conversations when a therapist isn't available.