"13 Things Mentally Strong Couples Don't Do" by Amy Morin is a comprehensive guide aimed at couples who want to develop their mental strength together and improve their relationships. Based on the successful series "13 Things Mentally Strong People Don't Do," Morin offers valuable insights and strategies to navigate the challenges of modern relationships. This book identifies the 13 essential mistakes couples should avoid to strengthen their bond and lead a more fulfilling life together. Morin combines her psychotherapeutic expertise with current research findings and practical advice to help readers enhance their mental strength and work more effectively as a team. The topics range from the impact of social media to the challenges posed by the COVID pandemic, providing easily implementable solutions to the issues couples face today.