What Happens to Us When We Refuse to Forgive
Have you ever wondered why forgiveness feels so difficult, even when you genuinely want to let go and move forward? Whether you're struggling to forgive someone who deeply hurt you or wrestling with your own past mistakes, forgiveness often feels far easier to talk about than to practice.
Yet forgiveness is one of the most powerful gifts God offers us and asks us to extend to others. It has the potential to transform not only our spiritual lives but also our emotional, mental, and physical well-being. When we refuse to forgive (or when we cannot forgive ourselves) we often remain tethered to pain, shame, resentment, and regret.
The good news is that both Scripture and neuroscience point to the same truth: forgiveness brings freedom.
Why Forgiveness Is So Difficult
If forgiveness feels impossible, there is a reason.
From a neuroscience perspective, emotional wounds activate the brain's threat-detection system. When we've been betrayed, rejected, abused, or deeply disappointed, the brain often interprets those experiences as ongoing threats. The amygdala, which helps us recognize danger, becomes highly active and can keep us replaying painful memories long after the event has passed.
As a result, we may find ourselves trapped in cycles of anger, bitterness, shame, or self-condemnation. The longer those patterns continue, the more they can affect our mental health, contributing to anxiety, depression, chronic stress, and even physical symptoms.
But God created our brains with remarkable adaptability.
Research on neuroplasticity shows that our brains can form new pathways throughout life. As we intentionally practice forgiveness, the brain begins to shift away from fear-based responses and toward greater emotional regulation, empathy, and peace. In other words, forgiveness doesn't just change your heart, it can also change your brain.
What the Bible Teaches About Forgiveness
Forgiveness is woven throughout the entire story of Scripture.
In Ephesians 4:31-32, Paul writes:
"Let all bitterness and wrath and anger and clamor and slander be put away from you, along with all malice. Be kind to one another, tenderhearted, forgiving one another, as God in Christ forgave you."
Notice God's instruction isn't simply about benefiting the person who hurt us. Forgiveness frees us from carrying the heavy burden of bitterness.
I've experienced this personally.
Years ago, I found myself drowning in guilt, shame, and regret over mistakes I had made. During a conversation with a trusted mentor, she lovingly challenged me with words I've never forgotten:
"Michelle, why are you so hard on yourself? There is nothing you've done that God cannot forgive. When you refuse to forgive yourself, you're acting as though Christ's sacrifice wasn't enough."
Her words stopped me in my tracks.
Many of us readily accept God's forgiveness intellectually, yet struggle to extend that same grace to ourselves.
Why Self-Forgiveness Can Feel Even Harder
For many people, forgiving themselves is more difficult than forgiving someone else.
We replay our failures. We criticize ourselves. We revisit conversations and decisions we wish we could undo. Over time, regret can become part of our identity rather than simply something we experienced.
But that was never God's intention.
First John 1:9 reminds us: "If we confess our sins, he is faithful and just to forgive us our sins and to cleanse us from all unrighteousness."
Notice that God doesn't forgive reluctantly. He forgives faithfully.
Likewise, Psalm 103:12 offers this beautiful promise: "As far as the east is from the west, so far does he remove our transgressions from us."
If God has chosen to remove our sins and extend grace, continuing to punish ourselves keeps us living in a prison Christ already unlocked. Self-forgiveness is not pretending our mistakes didn't matter. It's accepting that God's grace is greater than our failures.
The Hidden Cost of Unforgiveness
Many people underestimate the impact unforgiveness has on their overall health.
When resentment, bitterness, shame, and unresolved anger remain unaddressed, they often create chronic emotional stress. Elevated stress hormones can affect sleep, immune function, blood pressure, relationships, and overall emotional resilience.
Spiritually, unforgiveness can create distance between us and the peace God desires for us to experience.
The longer we cling to an offense, whether against someone else or ourselves, the heavier the burden becomes.
Forgiveness doesn't erase the memory of what happened. It releases its power to control your life.
When Forgiveness Feels Impossible
Some wounds run deep.
Perhaps someone violated your trust. Maybe you've experienced abuse, abandonment, betrayal, or devastating loss. Or perhaps you're haunted by choices you made years ago.
In situations like these, forgiveness often feels beyond reach.
That's why it's important to remember forgiveness is not primarily a feeling; it's a decision empowered by God's grace.
Colossians 3:13 says: "Bear with each other and forgive one another if any of you has a grievance against someone. Forgive as the Lord forgave you."
This doesn't mean forgiveness happens instantly. Often, forgiveness is a process that unfolds over time. Some days, you may need to choose forgiveness repeatedly.
The encouraging truth is found in Matthew 19:26: "With man this is impossible, but with God all things are possible."
When you cannot forgive in your own strength, God will provide the strength you need.
6 Practical Steps toward Forgiveness and Healing
1. Be Honest about the Hurt
Healing begins with honesty. Ignoring pain doesn't make it disappear.
Name what happened. Acknowledge the loss. Bring your wounded heart before God.
"The Lord is near to the brokenhearted and saves the crushed in spirit." (Psalm 34:18)
2. Invite God into the Process
Forgiveness is often a supernatural act.
Pray honestly about your struggle. Tell God where you're angry, hurt, confused, or disappointed. Ask Him to soften your heart and help you take the next step.
3. Separate Forgiveness from Excusing Wrong Behavior
Forgiveness does not mean what happened was acceptable.
You can forgive someone while still maintaining healthy boundaries. Forgiveness releases the offense; it doesn't necessarily automatically restore trust.
4. Practice Compassion and Empathy
Research shows empathy can reduce anger and increase emotional healing.
Understanding someone's brokenness doesn't excuse their actions, but it can help loosen resentment's grip on your heart.
5. Choose Release Before You Feel It
One of the biggest misconceptions about forgiveness is that you must feel forgiving first.
Often, feelings follow obedience.
Make the intentional decision to place the offense in God's hands, trusting Him to bring justice and healing.
6. Renew Your Mind with God's Truth
Our thoughts shape our emotions.
Replace messages of shame, bitterness, and condemnation with God's promises of grace, mercy, and redemption. Spending time in Scripture helps retrain both the mind and the heart.
As Romans 12:2 reminds us, we are transformed through the renewing of our minds.
Freedom Is Waiting on the Other Side
Who comes to mind when you think about forgiveness today?
Perhaps it's someone who hurt you deeply. Perhaps it's yourself.
Whatever your situation, remember this: forgiveness is not about pretending the pain never happened. It's about refusing to let that pain define your future.
God never intended for you to carry the weight of bitterness, resentment, guilt, or shame forever. Through Christ, freedom is available.
Take one step today. Bring your hurt to God. Surrender the offense. Receive His grace.
Because forgiveness isn't merely setting someone else free.
Often, it's the key that unlocks your own healing.
Hope Prevails,
Dr. Michelle Bengtson
Want More from Dr. B? Check Out Her Episode on This Topic: The Role of Forgiveness in Healing the Brain and Heart
If you’ve ever struggled with forgiveness—whether that’s forgiving others, forgiving yourself, or even struggling with feeling forgiven by God—then this episode is for you.If you like what you hear, follow Your Hope-Filled Perspective on Apple or Spotify so you never miss an episode!
Photo Credit: ©iStock/Getty Images Plus/fizkes
Originally published June 05, 2026.
