Have you been wronged? Most of us have. And if we’re honest, many of us replay the offense, wishing the other person would “get what’s coming.” Yet clinging to a grudge costs far more than it pays.

A cautionary tale: Herodias’s grudge: Mark 6:17‑29 recounts how Herodias—angry that John the Baptist had condemned her unlawful marriage to Herod Antipas—“nursed a grudge.” When Herodias’s daughter delighted Herod with a dance, the queen seized the moment: “Give me the head of John the Baptist.” Her revenge was swift, brutal, and ultimately self‑destructive. The story illustrates a timeless truth: unresolved anger corrodes the soul of the person who holds it.

Why grudges feel so heavy

• Endless rehearsal of the hurt keeps neural networks for threat active, making the event seem ever‑present.
• Bitterness bias distorts memory: we recall every slight against us but not the context or our own part.
• Blocked problem‑solving: high arousal narrows attention to blame, crowding out creative solutions.
• Physiological stress
  • Holding hostile thoughts keeps the body in fight‑or‑flight mode, raising blood pressure and heart rate and impairing blood‑vessel function—effects linked to higher risk of heart attack and stroke.
  • Rumination prolongs cortisol release long after a conflict ends, compromising immunity and sleep.
• Mental‑health fallout
  Persistent grudges predict more anxiety, depression, and anger‑related rumination, whereas forgiveness consistently correlates with greater life satisfaction and lower distress.

Letting go is a learnable skill, not just a moral ideal. Here is how to let go. 

1. Name the wound: Write or pray through exactly what hurt and why it matters. Labeling emotions lowers amygdala reactivity.
2. Own any share: Humility diffuses defensiveness and predicts quicker reconciliation.
3. Seek wise support: Talking with empathic friends or a therapist interrupts rumination loops.
4. Interrupt replay: Use attention‑shifting skills—deep breathing, exercise, or focused prayer—when the grievance resurfaces.
5. Choose forgiveness daily: Recall the offense, empathize, decide to forgive, commit, and hold to the choice (REACH).
6. Trust ultimate justice: From a faith perspective, God—not we—is judge (Romans 12:19). Relinquishing retaliation reduces anger arousal.

Herodias shows where grudges lead: deeper anger, collateral damage, and no real peace. Contemporary science echoes Scripture: harboring resentment harms the holder most. Forgiveness—often gradual and deliberate—lowers stress hormones, protects the heart, and restores joy. Ask God for grace, practice evidence‑based steps to let go, and reclaim the emotional energy that bitterness has been stealing.

(Adapted from We Need to Talk by Linda Mintle, Ph.D., Baker Books, 2015.)