[header] How to handle a cheating partner [title] Decide if you want to re-establish trust. [step] When a partner is unfaithful, it is a serious breach of trust. And it is something that may indicate that this person is not worthy or capable of a healthy relationship. 
On one hand, good people make bad choices and if they are truly sorry and can make amends, forgiveness can lead to an even better relationship. On the other hand, if you simply cannot trust that person again, the relationship is effectively dead.