Few concepts in psychology are as frequently discussed and yet as profoundly misunderstood as forgiveness. It is a word that appears in conversations about relationships, family dynamics, emotional healing, personal growth, and mental wellbeing, yet many people continue to associate it with ideas that have little to do with its true meaning. Some believe that forgiving someone means pretending that nothing happened. Others assume that forgiveness requires immediate reconciliation, renewed trust, or the willingness to allow a person back into their lives regardless of the pain they may have caused. Because of these widespread misconceptions, forgiveness often feels far more difficult and emotionally complicated than it actually is.
The reality is both simpler and deeper than most people imagine. Authentic forgiveness is not about declaring that someone else’s behaviour was acceptable. It is not about minimising your own suffering, denying the impact of painful experiences, or convincing yourself that an injustice never occurred. It is also not dependent upon whether the person who hurt you apologises, accepts responsibility, or demonstrates genuine remorse. While these actions may support healing in some situations, they are not prerequisites for forgiveness.
At its core, forgiveness is an internal psychological process. It is a decision to release yourself from the emotional burden of carrying resentment long after the original event has passed. Rather than being something we do for another person, forgiveness is something we choose for ourselves. It is an act of emotional freedom that allows us to reclaim energy that has been tied to anger, disappointment, betrayal, or grief.
This distinction is particularly important because many people spend years waiting for something outside themselves to change before they allow themselves to heal. They wait for an apology that never arrives. They wait for acknowledgement that may never come. They wait for justice to erase emotional pain. Yet healing rarely begins when another person changes. More often, it begins when we recognise that our wellbeing cannot remain dependent upon someone else’s actions, choices, or level of awareness.
Understanding forgiveness from this perspective allows us to move beyond common myths and explore what actually happens inside the mind and body when resentment remains unresolved.
What happens to the body and mind when we hold resentment
Many people think of resentment as simply an unpleasant emotion, something that exists primarily within thoughts and feelings. However, modern psychological and physiological research suggests that resentment affects far more than our emotional state. In reality, prolonged unforgiveness can influence the entire body, shaping stress responses, affecting physical health, and altering overall wellbeing in ways that are often invisible at first.
When a painful experience occurs, the brain naturally reacts by activating protective mechanisms. This response serves an important purpose. It helps us recognise danger, learn from difficult experiences, and protect ourselves from future harm. In the short term, these reactions are adaptive and necessary. Problems arise when the emotional impact of an event remains active long after the threat itself has disappeared.
Every time we revisit a painful memory, replay an argument, imagine a different outcome, or dwell on what should have happened, the nervous system can respond as though the experience is occurring again in the present moment. The body does not always distinguish between an immediate threat and a vividly remembered one. As a result, stress responses may continue long after the original event has ended.
Research has linked chronic resentment and unforgiveness to elevated cortisol levels, increased anxiety, sleep disturbances, chronic muscle tension, impaired immune function, and a higher risk of cardiovascular problems. Over time, carrying unresolved anger can become emotionally exhausting because it requires a continuous investment of psychological energy. Instead of directing our attention toward growth, creativity, meaningful relationships, and personal fulfilment, a portion of our mental resources remains occupied by the past.
From a neurological perspective, resentment keeps the brain focused on protection. The limbic system remains highly engaged, constantly scanning for reminders of previous hurt and potential future threats. While this state may feel justified, it is also exhausting. The mind becomes trapped in a cycle of emotional vigilance that consumes valuable energy and limits our ability to experience peace.
Psychologists often use a striking metaphor to describe this phenomenon. Holding onto resentment is like drinking poison while hoping someone else suffers the consequences. The emotional burden remains within us regardless of whether the other person is aware of it. In many cases, the individual who caused the pain has already moved on, while the person carrying the resentment continues to relive the experience repeatedly.
This does not mean that painful emotions are wrong or unnecessary. Anger can be informative. Hurt can reveal what matters to us. Disappointment can highlight violated expectations and unmet needs. However, when these emotions become permanent residents rather than temporary visitors, they begin to shape the quality of our lives in ways that often extend far beyond the original event. Recognising this reality is often the first step toward understanding why forgiveness is ultimately an act of self-care rather than an act of surrender.
What forgiveness is not
One of the greatest obstacles to forgiveness is confusion about what it actually requires. Many people resist the idea because they associate it with actions they are neither willing nor obligated to take. As a result, it becomes important to clarify what forgiveness is not before exploring what it truly means.
Forgiveness is not a statement that what happened was acceptable. Harmful behaviour does not become acceptable simply because time has passed. The pain you experienced remains real, and acknowledging that reality is an essential part of healing.
Forgiveness is not forgetting. Human memory serves an important purpose. Difficult experiences often teach valuable lessons about boundaries, trust, self respect, and emotional awareness. Forgetting is neither necessary nor realistic. In fact, many people who have genuinely forgiven continue to remember exactly what happened. The difference is that the memory no longer controls their emotional world in the same way.
Forgiveness is not automatic trust. Trust and forgiveness are separate processes. Forgiveness can occur internally, while trust must be rebuilt through consistent actions over time. In some situations, trust is restored. In others, it is not.
Forgiveness is also not an obligation to continue a relationship. One of the most empowering truths about forgiveness is that it can coexist with strong boundaries. A person may forgive and still decide that continued contact is not healthy. They may forgive and choose distance. They may forgive and decide never to reconnect.
Similarly, forgiveness does not require denying emotional pain. In fact, genuine forgiveness becomes possible only when pain is acknowledged honestly. Pretending that an experience did not affect you is not forgiveness. It is avoidance.
Understanding these distinctions helps remove much of the fear surrounding forgiveness. It becomes clear that forgiveness is not about abandoning ourselves for the benefit of someone else. Instead, it is about releasing the emotional grip that a painful experience continues to hold over our lives.
The material was prepared by psychologist Yegana Mikayilova
Sources:
- Luskin, F. (2002). Forgive for Good. HarperOne.
- Worthington, E.L. (2006). Forgiveness and Reconciliation. Routledge.
- APA — apa.org/
