She Cheated for a Year… He Forgave Her. Betrayal, Revenge & Relationships & Revenge

Can a relationship truly recover after cheating? Should you forgive a partner who betrays you? If you forgive someone, is it fair to secretly plan your revenge? What happens when someone invests years of their life, money, emotions, and resources into a relationship that ultimately doesn't lead to marriage? Should men and women leave immediately after discovering infidelity, or should they give their partner another chance? Is cheating something a relationship can survive, or does betrayal permanently change the relationship? And perhaps the biggest question: When someone hurts you, is forgiveness enough—or does betrayal sometimes create a desire for revenge?