'Attached' by Amir Levine and Rachel Heller explores the science of adult attachment and how it impacts our relationships. The book explains the three main attachment styles - anxious, avoidant, and secure - and how they influence our behavior in romantic relationships. By understanding your attachment style and that of your partner, you can navigate relationship challenges and create a more secure and fulfilling bond. This book is a must-read for anyone looking to reinvent their relationship and build a stronger connection.