Why You Can’t Just “Move On” From an Affair...

Why You Can’t Just “Move On” From an Affair

It isn’t just a broken rule. It is a broken reality. Here is where we actually start.

When a couple comes into my office after an affair, there is a frantic energy in the room.

Usually, the partner who had the affair is desperate to fix it. They are saying things like, “I am so sorry. It is over. I chose you. Can we please just move forward?”

And the partner who was betrayed is spinning. They are asking for details. They are checking phones. They are furious one minute and collapsed the next.

The betrayer looks at me like, “Figs, help me get them to stop dwelling on this so we can be happy again.”

And I have to tell them the hard truth. You cannot move on. Not yet.

You cannot move on because there is someone else in the room.

The Third Party

In attachment terms, an affair is not just a behavior. It is the introduction of a Third Party into the primary bond.

Relationships rely on a very specific kind of exclusivity. I don’t mean that in just a moral sense. I mean it biologically. Your nervous system rests because it believes two things are true:

  1. I am your priority.
  2. I am enough for you.

When you bring a Third Party in—whether that is a sexual affair, an emotional affair, or even a massive addiction—you shatter those two beliefs. You effectively tell your partner’s nervous system: “You are not my priority” and “You are not enough.”

That creates a trauma response. The betrayed partner isn’t “dwelling” on the past. Their body is scanning for danger in the present.

So before we can do any of the normal couples therapy work—before we can talk about communication or “the cycle”—we have to close the door.

We have to make sure the Third Party is gone.

Stopping the Bleeding

I often compare couples therapy to climbing a mountain. Usually, I am the Sherpa, and I help you both climb up together. We look at how you both hurt, how you both react, how you both get stuck. We do the work together.

But when there is an affair, there is a massive boulder on the path. We cannot walk around it.

If the affair partner is still in the picture, or if the “door” is even slightly ajar, the nervous system cannot settle. It is like trying to do surgery while the patient is still bleeding out.

So the first step isn’t forgiveness. The first step is safety.

The betrayer has to be willing to close the door completely. And they have to be willing to show their partner, again and again, that the door is closed. This feels tedious. It feels like you are being policed. But it is the only way to lower the threat level enough to even begin the real work.

The Shattered Reality

The other reason you can’t just “move on” is that the betrayed partner has lost their reality.

They look back at the last year, or five years, and they wonder, “What was real? When we were on that vacation, were you texting her? When you said you loved me that night, did you mean it?”

It is a form of psychological vertigo.

If you are the one who strayed, you have the answers. You know the timeline. You know what meant what. But your partner is in the dark.

Recovery requires dragging the truth into the light. Not to torture each other, but to re-establish a shared reality. You have to be willing to answer the questions. You have to be willing to fill in the gaps.

You cannot rebuild trust on a foundation of secrets.

This Is Not the End

I want to tell you something hopeful.

I have sat with couples in the darkest, messiest, most hopeless moments of betrayal. I have seen people screaming in pain. I have seen people so shut down they look like statues.

And I have seen them come out the other side.

It is not easy. It is the hardest work you will ever do. It requires a type of “proof of work” that most people have never had to offer before.

But if you are willing to stop trying to “move on” and start trying to “move through,” you can build something real. You can build a relationship that isn’t based on the naive assumption that you will never hurt each other, but on the rock-solid knowledge that you can survive the hurt and choose each other again.

But first, we have to deal with the pain. And that requires a very specific kind of repair.


Watch: Understanding Betrayal Trauma


This is Part 1 of a 3-part series on affair recovery. Part 2: The One-Way Repair: How to Actually Heal the Wound Part 3: Why You Keep Having the Same Fight About the Affair Years Later

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Fiachra "Figs" O’Sullivan is 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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