How to Stop Holding Grudges: Why Letting Go Is For You, Not Them

The Story That Outlived the Person Who Lived It

I sat with a woman once who could recount, in exact sequence, every detail of an argument with her sister that had happened nearly fifteen years earlier. The tone of voice. The exact words used. Where each of them had been standing in the kitchen. She told it the way someone tells a story they have told many times before, smoothed by repetition into something closer to performance than memory. Her sister had died eight years prior. The grudge had outlived her.

That is not unusual. Some of the most detailed accounts I heard in hospital rooms were not about the good years or the easy memories. They were about the wrong that had never been acknowledged, replayed with a precision that newer, happier memories rarely got. Learning how to stop holding grudges is not really about forgetting what happened or deciding it did not matter. It is about understanding why the mind keeps the wrong so close, and what it actually takes to put it down.

Why the Mind Will Not Let an Unresolved Wrong Go

Researchers who study forgiveness, including Everett Worthington, describe something called the injustice gap, the distance between what actually happened and what justice would require to close the matter. When that gap stays open, when no acknowledgment or amends arrives, the felt injustice does not fade quietly on its own. The brain appears to treat an unresolved wrong as a kind of ongoing threat, something that still requires monitoring, and the negative emotion attached to the memory functions as a form of vigilance rather than simple sadness or anger. The wider the injustice gap feels, the harder the grudge tends to be to release, because some part of the mind keeps standing watch over an account that was never settled.

This explains something that confused families I worked with for years: why a grudge over a relatively small slight could outlast a much larger loss in someone’s memory, while a genuinely devastating wrong sometimes resolved faster once it was acknowledged. The size of the original event was rarely what determined how long the resentment lasted. What mattered more was whether the gap between what happened and what would have made it right ever closed, even partially, through an apology, an explanation, or some form of accountability. Where it never closed, the grudge tended to keep its grip for decades.

What Actually Keeps a Grudge Alive

Most of what gets written about letting go of resentment treats the advice as self-evident: just let it go, stop dwelling on it, move forward. What that advice skips over entirely is the actual mechanism that keeps a grudge running in the first place, which research on forgiveness identifies fairly precisely. A grudge is sustained by mental rehearsal, the act of replaying the event and the injustice attached to it, often in vivid, specific detail, sometimes for years after the event itself. Each rehearsal does not just recall the wrong. It reinforces the emotional charge attached to it, the same way retelling any story strengthens the grooves it runs along.

Stanford researcher Fred Luskin’s work on releasing bitterness points toward something more useful than waiting for resolution that may never come. What diminishes a grudge is not the injustice finally being acknowledged, since in many cases it never is. It is the person holding the grudge making a deliberate decision to redirect the mental energy the rehearsal requires, choosing not to replay the event when it surfaces, again and again, until the habit of replaying it weakens from disuse. This is not a single decision made once. It is closer to declining the same invitation repeatedly, until the invitation stops arriving as often.

I think this reframing matters because it hands the person holding the grudge something they can actually act on. Waiting for an apology, an admission, or some acknowledgment of harm puts the resolution entirely in someone else’s hands, often someone who has shown no intention of providing it. Redirecting the rehearsal puts the lever back where the person can actually reach it, regardless of whether the other person ever changes, apologizes, or even remains alive to do so.

Releasing a Grudge Is Not the Same as Saying It Was Fine

I want to be direct about something, because this is where people get understandably cautious about advice on letting things go. Releasing a grudge does not mean deciding the other person was right, or that what happened did not matter, or that you owe anyone reconciliation. Those are separate questions entirely, and conflating them is part of why grudge-releasing advice sometimes feels like a quiet form of pressure to excuse harm that was never excusable.

• Releasing resentment means redirecting the mental energy spent rehearsing the wrong. It does not require deciding the wrong was acceptable.
• Forgiveness, where someone chooses to pursue it, is a separate and more involved process than simply loosening a grudge’s grip on daily thought.
• Reconciliation, rebuilding contact or trust with the person who caused harm, is a further and entirely optional step that has nothing to do with whether a grudge has been released.
• None of these require a timeline. A grudge tied to ongoing harm, or to a relationship that is not safe to revisit, may need to stay exactly where it is for as long as the person holding it needs.

I have sat with people who released the grip of a grudge without ever speaking to the person again, and people who maintained every boundary they had built while still managing to stop carrying the daily weight of rehearsing what had happened. Both were legitimate outcomes. Neither required the other person’s involvement, apology, or even awareness that anything had changed.

Final Thoughts: Letting Go Was Never About Them

The woman with the fifteen-year-old argument was not wrong about what had happened. Her sister had genuinely hurt her, in a way that had never been acknowledged before she died. What struck me, sitting with her, was not the injustice itself but how much daily room she had given it, long after any resolution had become impossible. The wrong did not need her permission to have happened. It did not need her permission to stop being rehearsed either.

For readers who are working through the deeper process of forgiveness itself, rather than just the grip of an ongoing grudge, I have written more directly about what it actually takes to forgive someone who hurt you. And for the resentment that sits closer to regret than anger, the kind built around what should have been said or done differently, the related territory of the lessons people often learn only after it is too late to act on them covers ground this piece does not. If the grudge you are carrying traces back to a relationship that ended badly, you may also recognize some of what I have written about what a broken relationship can still teach you afterward.

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