Trust is not rebuilt by promises. It is rebuilt by repeated, verifiable actions over time. This guide covers what both partners need to do, what to watch for, and when rebuilding is not possible.

Trust is a prediction your nervous system makes based on evidence. After betrayal, your brain has proof that deception was possible. That proof fades only when new evidence of honesty outweighs the old evidence of betrayal, which requires repeated behavior over time.
The cheating must actually stop. Many people try to repair a relationship while the affair is still ongoing, minimized, or only technically ended. Without complete no-contact with the affair partner, there is no foundation to rebuild on.
Information, consistency, transparency, patience, and accountability. The person who cheated needs to meet these needs without making the betrayed partner feel like a burden.
Answer the real why, end the affair completely, get individual support, tolerate distrust without defensiveness, and rebuild intimacy carefully without pressuring physical closeness before emotional safety exists.
Regular check-ins, following through on small promises, emotional availability, and honest communication about discomfort. Trust is rebuilt in ordinary moments more than dramatic ones.
When the person who cheated continues to lie, blames you for their choices, or refuses to do individual work. In those cases, leaving is a valid form of trust repair.