7 Hard Truths About Forgiveness in Relationships (From a Therapist Who’s Lived It)
By Figs O’Sullivan, LMFT | April 2026
I need to say something that might make you uncomfortable: most of what you’ve been told about forgiveness in relationships is wrong.
Not slightly off. Not a little reductive. Wrong.
I’ve spent 16 years sitting across from couples who are stuck in the aftermath of betrayal, resentment, or years of accumulated hurt. And the single most damaging piece of advice they’ve received, from well-meaning friends, family members, pastors, even other therapists, is this: “You just need to forgive them and move on.”
That sentence has destroyed more relationships than the injuries it was meant to heal. True forgiveness in relationships is not a solo act, and treating it like one is where most couples go wrong.
Forgiveness is not a light switch. It’s not a decision you make on a Tuesday afternoon because you read an inspirational quote. And it is certainly not something one person can accomplish alone while the other person waits passively on the other side of the room, hoping the storm passes.
What I’m going to share here comes from clinical work, from research, and from my own marriage. My wife Teale and I have navigated our own version of this. I’m not writing from a textbook. I’m writing from the scar tissue of real experience.
1. The First Step Isn’t Forgiveness. The First Step Is Safety.
When a couple comes to me after a betrayal (an affair, a financial secret, a pattern of deception), the wounded partner is almost always under enormous pressure to forgive quickly. Sometimes that pressure comes from the person who hurt them. Sometimes it comes from their own guilt about “holding a grudge.” Sometimes it comes from a culture that treats forgiveness as the gold standard of emotional maturity.
Here is what I tell them: the first step is not forgiveness. The first step is safety.
Your nervous system does not care about your theology or your self-help philosophy. It cares about one thing: are you safe right now? And if the answer is no, then no amount of cognitive reframing will produce genuine forgiveness. What it will produce is performance. A smile over a scream. A “we’re fine” over a body that’s still bracing for the next impact.
This is why surviving an affair is not a simple matter of deciding to stay or go. The real question isn’t whether you can forgive. It’s whether your partner can rebuild the safety your body needs in order for forgiveness to even become possible.
If you skip this step, you don’t get forgiveness. You get a ceasefire. And ceasefires always expire.
2. The “Never Forget / Never Forgiven” Loop Is Destroying Your Relationship
There is a pattern I see in my practice so consistently that I’ve given it a name: the Never Forget / Never Forgiven loop. It works like this.
After a betrayal, each partner develops a completely different, biologically driven definition of what forgiveness means. And neither of them realizes the other has a different definition. That gap becomes the engine of years of pain.
For the person who caused the injury, forgiveness means “it’s over.” The chapter is closed. The debt is paid. When their partner brings up the past six months or three years later, the betrayer doesn’t hear a request for reassurance. They hear a verdict: you are still bad. You will always be bad. You will never, ever be forgiven.
That terror is real. Imagine living under what feels like a broken sky, where no amount of effort, apology, or change will ever be enough. It’s the kind of despair that makes someone roll their eyes during a vulnerable conversation. Not because they don’t care, but because their nervous system has concluded that caring is pointless.
For the person who was hurt, forgiveness doesn’t mean forgetting. It means: “Yes, I forgive you, but I still need reassurance.” They bring up the past not to punish, not to relitigate, but because their body is scanning for danger in the present. Their biology is essentially saying: Wait. We cannot forget this. If you forget this, this is going to happen again. We can never forget.
So one partner is terrified they’ll never be forgiven. The other is terrified they’ll be forced to forget. And each partner’s protective strategy (the eye-rolling withdrawal, the repeated bringing-up of the past) confirms the other’s worst fear.
This is the loop. And it can run for decades if nobody names it.
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3. Your Body Keeps Its Own Ledger (And Your Mind Can’t Edit It)
One of the most important things I’ve come to understand, both clinically and personally, is that the body is the first ledger. It records everything. Every moment of betrayal, every unmet need, every time you reached for your partner and they weren’t there.
We think we can intellectualize our way out of pain. We tell ourselves stories: “I’m fine. I’m strong. I don’t care anymore.” I call this accounting fraud. You’re cooking the books. You’re using the conscious mind (what I think of as the “fiat layer”) to spin or suppress what the body already knows.
But the body doesn’t lie. Trauma acts as an unsettled transaction. It stays stuck in the nervous system regardless of what your prefrontal cortex decides. Your nervous system is a proof-of-work protocol. It only settles the transaction when the safety is real, not when you decide you “should” feel safe.
This is why you can genuinely believe you’ve forgiven someone and still flinch when they pick up their phone. This is why you can say “I’m over it” on Monday and be flooded with rage on Wednesday. Your mind issued a pardon. Your body never received it.
Research on the neurobiology of betrayal trauma confirms this: the amygdala and autonomic nervous system maintain threat responses independent of cognitive processing. Forgiveness that happens only in the mind is forgiveness that hasn’t happened at all.
4. Resentment Is Not the Problem. It’s the Signpost.
Most people treat resentment as the disease. I treat it as the symptom. When we talk about forgiveness in relationships, we have to start by understanding what the resentment is actually protecting.
Resentment is not a primary emotion. If you’re feeling resentment, there is another feeling much deeper down inside. Resentment is the protective shield your nervous system deploys to guard a more vulnerable, wounded part of you. Usually that deeper feeling is grief. Or fear. Or the quiet devastation of not being seen.
When someone tells me “I just can’t let go of this resentment,” my response is never “try harder.” My response is: what is the resentment protecting? What would you feel if the resentment weren’t there?
Nine times out of ten, the answer is something they’re terrified to feel. Because that deeper feeling carries a truth they haven’t been able to say out loud. Something like: “I don’t know if you actually love me.” Or: “I’m scared that if I let this go, you’ll hurt me again and I won’t survive it.”
The resentment isn’t blocking forgiveness. It’s guarding an unfelt wound. And until that wound gets witnessed (not just by you, but by the person who caused it), the resentment will stand guard indefinitely. It’s doing its job.
5. One-Way Repair: Why “Both Sides” Thinking Fails After Betrayal
In most of my clinical work with couples, I operate from a “We” consciousness. Both people contribute to the dynamic. Both people have pain. Both people need empathy. That’s the foundation.
But after a betrayal, I pause that framework entirely. Because in the moment of betrayal, the injury is not symmetrical. One person dropped a bomb. The other person was standing in the explosion. To treat those two experiences as equal is not fairness. It’s cruelty.
What I prescribe instead is One-Way Repair. The traffic of empathy flows entirely toward the person who was hurt. Not forever. But until the wound has been witnessed and the nervous system has received enough proof-of-safety to begin its own healing process.
The biggest obstacle to this repair? What I call the Cocktail of Shame.
The person who caused the injury often collapses into a self-focused spiral: “I’m a terrible person. I can’t believe I did this. I hate myself.” Their internal ratio is 100% “I feel bad about myself.” And while that might look like remorse, it is actually another form of abandonment. Because in that moment, they have once again made it about themselves.
Real repair requires shifting that ratio. Twenty percent “I feel bad about myself,” eighty percent “my heart is breaking for you.” The betrayer must learn to tolerate the heat of their own guilt so they can stay present for their partner’s pain without collapsing into self-pity or defensiveness.
This is the hardest thing I ask anyone to do in therapy. And it is the only thing that actually works.
6. Pressing on the Bruise: Why Witnessing Matters More Than Apologizing
There is a moment in the repair process that looks counterintuitive from the outside. I help the person who caused the injury look at the bruise they created. Not to punish them. But to witness it.
The biological instinct, naturally, is to look away. To minimize. To say “but that was a year ago” or “I’ve already apologized for that.” Every fiber of their being wants to escape the discomfort of seeing what they’ve done.
I don’t let them escape.
I press. And I press. I compare it to a doctor pressing on a stomach to locate the exact source of pain. You press until there’s nothing left to do but feel it. I block the exits of defensiveness and withdrawal. Because until the person who caused the injury fully enters the pain of what they’ve done, the repair cannot land.
And here is the paradox: this pressing, which looks like it would be devastating for the betrayer, is actually deeply healing for both partners. When the wounded partner finally sees their person standing in the fire of accountability without running, without deflecting, without making it about themselves, something shifts at the nervous system level. The body begins to believe what the words have been saying all along: I see that I broke your reality. And I am right here with you in that pain.
This is what I call the Missing Experience. It is the moment the wounded partner receives what they needed and never got: full, unflinching witness. Not an apology (though apologies matter). Not a promise to change (though change matters). But the experience of being truly seen in their devastation by the person who caused it.
If you want to understand more about this dynamic and how trust issues develop and resolve, I’ve written about the mechanics of trust repair separately.
7. A Wound Is Not a Scar (And Knowing the Difference Changes Everything)
Here is something I need you to hear: true relational repair does not mean the history of the injury is erased. It does not mean you wake up one day and the betrayal feels like it happened to someone else. It does not mean you stop being a person who was hurt.
The injury becomes a permanent part of your shared story. That is not a failure of forgiveness. That is the nature of it.
But a scar is different from a wound. A wound bleeds. A scar is just a mark of what you survived.
Couples who make it through the full repair process don’t pretend the betrayal didn’t happen. They grieve it. They integrate it. And then they use the shared proof-of-work of surviving it, all the hard conversations, the pressing, the tears, the nights when it felt impossible, to choose each other again. Not from naivete. From strength.
This wound-to-scar transformation is what real forgiveness looks like. It is not the absence of memory. It is the presence of meaning. The scar says: we went through something that could have ended us, and we chose each other anyway. That scar becomes, paradoxically, one of the strongest parts of the relationship.
The Splinter: A Story From My Own Marriage
I want to tell you something personal, because I think it matters that you know I’m not just theorizing.
Very early in my relationship with Teale (before we were officially “us”), something happened. A betrayal. Not the kind that makes headlines, but the kind that lodges itself under the skin. We came to call it the splinter.
For years, this splinter stayed active. Teale would bring it up because her body was scanning for danger in the present, and I would react defensively. I relied on logic to protect myself. I argued: “But we weren’t even exclusive then! Why does this still matter?”
I was fighting the facts. She was fighting for her feelings. And we were having two completely different conversations without realizing it.
True repair only emerged when I stopped defending my innocence and instead provided a witnessing presence. When I held her dysregulation and acknowledged: “It makes sense that you hurt. Even if I didn’t break a rule, I broke your heart.”
That was not a defeat. That was the moment the splinter finally began to work its way out.
Teale and I now recognize our shared negative cycles. We do not hold grudges as long. We try to get out of our loops faster. Not because we’ve mastered some technique, but because we have proven to each other, through sustained relational labor, that the other person will show up. And that proof is what the nervous system actually needs in order to let go.
What Real Forgiveness in Relationships Actually Requires
Let me summarize it plainly. Real forgiveness in a relationship is not a solo act. It is a co-regulated process between two nervous systems. It requires:
- Safety first. Before forgiveness can even begin, the wounded partner’s nervous system needs to know it is safe in the present moment. This is non-negotiable.
- Naming the loop. Both partners need to see the Never Forget / Never Forgiven dynamic and understand that neither person’s response is irrational. Both are biologically coherent.
- One-Way Repair. The person who caused the injury must tolerate the heat of their own shame and direct eighty percent of their emotional bandwidth toward their partner’s pain. Not toward their own guilt.
- Witnessing the bruise. The injured partner needs the Missing Experience: seeing their person stay in the fire of accountability without running. Apologies are necessary but insufficient. Witness is what the body requires.
- Grieving the scar. The couple must grieve together that the injury is now a permanent part of their story. Fighting this reality is what keeps the wound open. Accepting it is what allows the wound to become a scar.
- Ongoing proof-of-work. Forgiveness is not a one-time event. It is an ongoing co-regulatory practice. The nervous system does not accept IOUs. It requires real, repeated evidence of safety.
If this sounds like a lot of work, it is. But here is the other truth: the research on forgiveness consistently shows that couples who engage in this kind of deep repair report higher relationship satisfaction, greater emotional intimacy, and more resilience than couples who never faced a crisis at all. The crisis, when metabolized properly, becomes the catalyst for a relationship that is more honest, more connected, and more alive than anything that came before it.
Moving From “Me vs. You” to “Us vs. The History”
The meta-shift that makes all of this possible is a move from “Me vs. You” to “Us vs. The History.” As long as you are fighting each other, the history wins. The betrayal sits between you like a wall, and each partner stands on their own side, defending their own story.
But when you can stand together and face the history as a shared enemy, something changes. The betrayer is no longer defined by the worst thing they’ve done. The wounded partner is no longer trapped in the role of victim. Together, you become two people who survived something terrible and chose to build something new from the wreckage.
This is not optimism. This is what I’ve watched happen hundreds of times in my office. And it never stops being one of the most profound things I’ve ever witnessed.
A Final Word
If you’re reading this and you’re in it right now (the loop, the resentment, the splinter that won’t come out), I want you to know something: the fact that you’re still hurting does not mean you’ve failed at forgiveness. It means your body is still waiting for something it hasn’t received yet.
That something is almost never more willpower. It is almost always more witness.
You don’t need to forgive faster. You need to be seen more deeply. And your partner doesn’t need to be punished forever. They need to learn how to stay in the fire without running.
That’s the work. It’s hard. And it’s worth it.
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.
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