Couples who are able to move past infidelity have one important trait in common.

Wendy L. Patrick, J.D., Ph.D.

Obviously, there are many types of relationship transgressions of varying severity, and different types of transgressions mean very different things. Forgetting to pick up bread and milk at the store on the way home is far less significant than forgetting to pick up an essential prescription for your partner. 

Across the board, however, one of the most devastating relationship transgressions is infidelity. Yet many couples manage to overcome such betrayal; some even grow to have a stronger relationship. How do they do it? Research indicates that the answer involves two related concepts — relational commitment and the capacity to forgive.

Read more: The Number-One Way to Overcome Infidelity | Psychology Today