To rebuild a relationship after infidelity or have success with future relationships, people need to trust each other. Cheating shatters trust and the ability to trust, and forgiveness is one step you need to rebuild it. Forgiving them will reduce the risk of the cheaters dishonesty rubbing off on you.

What does a cheater feel?

Despite the initial thrill of an affair, cheating can negatively affect the cheater emotionally. Its common for them to feel anxiety, guilt, shame, worry, regret, confusion, embarrassment, and self-loathing when they contemplate how their actions impact those they love and why they cheated in the first place.