Dr. Stan Tatkin, is a PsyD, MFT, clinician, researcher, and developer of the Psychobiological Approach to Couples Therapy® (PACT), best-selling author of his most recent book, In Each Other’s Care. And the relationship must have book, Wired for Love and More than 1.7 million people have tuned in to Dr. Tatkin’s TEDx talk. Dr. Tatkin and his wife, Tracey Boldemann-Tatkin, PhD, created the PACT Institute in 2010 to train mental health professionals to successfully integrate a psychobiological approach in their clinical practices. Dr. Tatkin is an assistant clinical professor at the UCLA David Geffen School of Medicine, Department of Family Medicine. He is on the board of directors of Lifespan Learning Institute and serves as a founding member on Relationships First, a nonprofit organization founded by Harville Hendrix and Helen LaKelly Hunt. In this interview, I speak to Dr. Stan Tatkin, one of the world’s foremost experts in relationships. We discuss what it takes to make relationships work and the common reasons they don’t. We also learn some of the most important factors he has seen, through decades of clinical practice and research, for why the most resilient relationships stand the test of time.