While not specifically focused on romantic relationships, 'The Five Dysfunctions of a Team' by Patrick Lencioni offers valuable insights into building strong relationships within a team or organization. Through a fictional story, Lencioni explores the five common dysfunctions that hinder teamwork and provides practical strategies for overcoming them. Learn how to foster trust, improve communication, and create a cohesive and high-performing team. Whether you're a leader or a team member, this book can help you cultivate healthier relationships in a professional setting.