Open and honest conversation.
After the events have become clear, it is important to have a frank conversation. Discuss your feelings, why this happened, and what really matters to you in the relationship. Listen to each other carefully and without judgment.

Show sincere repentance.
If you were the one who made the mistake, then it is important to sincerely apologize and understand the consequences of your action for your partner. Repentance must be not only in words, but also in actions.

Build new boundaries and commitments.
After cheating, you may need to reconsider the boundaries and rules of your relationship. This may include more open communication, clearer rules and promises to each other.

Work on self-awareness and growth.
Both partners must be willing to work on self-awareness and growth to avoid repeating the mistakes of the past. This could be sessions with a psychologist or simply deep reflection on yourself.

Gradual restoration of trust.
Remember that rebuilding trust is a process that takes time and effort. Give your relationship a chance to heal, and remember that every step in the right direction is a step towards strengthening your relationship.

Show tolerance and understanding.
In the process of rebuilding trust, difficulties and relapses may arise. It is important to be tolerant and understanding towards each other. No one is perfect and we can all make mistakes.

So, it is possible to build trust in a relationship after cheating, but it requires effort and time from both partners. The main thing is honesty, openness and willingness to grow and change. I hope these tips help you and your relationship through this difficult time. Good luck to you all!