This HuffPost Canada page is maintained as part of an online archive. If you have questions or concerns, please check our FAQ or contact support@huffpost.com.

opposite-sex-friend

Before you know it, the spouse and his or her extra-marital friend are comforting each other, turning to each other for advice, sharing details of their intimate life and relationships, and texting each other with increasing frequency and intimacy. As the excitement of their forbidden friendship grows, the dynamics in the marriage deteriorate. After all, three's a crowd.