Paul R. Peluso, Ph.D., LMHC, LMFT, NCC, is the Norejane Hendrickson Endowed Professor and Chair of the Department of Human Development and Family Science at Florida State University. He is also a licensed mental health counselor and licensed marriage and family therapist in Florida. An accomplished author of ten influential books, Dr. Peluso’s diverse body of work spans subjects like infidelity, couples therapy, family dynamics, and Adlerian theory, having contributed over 25 articles and 12 chapters in these areas. Dr. Peluso’s areas of clinical expertise include couples therapy, infidelity, family therapy, traumatic grief and loss, and domestic violence. He also serves as the Past President of the International Association of Marriage and Family Counseling.Taylor J. Irvine, Ph.D., LMHC-FL, NCC, is Assistant Professor at Nova Southeastern University in Ft. Lauderdale, Florida. Dr. Irvine is a licensed mental health counselor and national certified counselor, with experience working with diverse client populations and presenting issues. Dr. Irvine is an accomplished leader in her field, with her research centering on couples and infidelity, as well as eating disorders and body image concerns. She has presented and published on these topics both nationally and internationally, spotlighting culturally responsive and evidence-based methods across counseling research, training, and practice domains. Dr. Irvine's research has garnered recognition in the field for its emphasis on evidence-based approaches.

• Part I: Understanding Infidelity 1. Infidelity: Introduction and Overview Paul R. Peluso and Taylor J. Irvine2. Interview With Dr. Janis Abrahms Spring—Reflections From an ExpertJanis Abrahms Spring3. Monogamy and Consensual Non-Monogamy Fidelity: Preventing Relationship CrisisMarissa A. Davala and Grace A. Mims 4. Sociosexuality and Infidelity: Incorporating Individual Differences with Couples in Crisis Dana A. Weiser and Randi Black 5. Interview With Dr. Helen Fisher—Reflections From an ExpertHelen Fisher6. Affairs and AddictionRobert J. NavarraPart II: The Treatment of Infidelity in Couples Therapy 7. The Intersystem Approach to Treating InfidelityStephen T. Fife, Gerald R. Weeks, Nancy Gambescia, and Emily E. Janes8. Interview With Dr. John M. Gottman and Dr. Julie Schwartz Gottman—Reflections From the Experts John M. Gottman and Julie Schwartz Gottman9. Treating Infidelity: A Gottman Method Couples Therapy ApproachDonald L. Cole and Carrie U. Cole 10. Affair Recovery Treatment—Typology and Treatment ModelPaul R. Peluso11. Digital Intimacies and Online Infidelities Andreas Vossler and Naomi Moller Part III: Impact of Infidelity on Couples and Families From Different Social, Cultural, Generational, and Sexual Perspectives 12. Connections With Repercussions: Conceptualizing and Treating Internet Infidelity Kimberly N. Usbeck, Carmen V. Nieto, Karrison A. Rimon, Jia-Xin Teo, Rebecca Fargo, and Katherine M. Hertlein13. Extra-Relational Involvement Among Black, Indigenous, and People of Color Relationships: Overview and AssessmentTaylor J. Irvine, Kyle Benson, and Vagdevi Meunier14. Extra-Relational Involvement Among Black, Indigenous, and People of Color Relationships: Conceptualization and TreatmentVagdevi Meunier, Kyle Benson, and Taylor J. Irvine15. Navigating Infidelity in LGBTGEQ+ RelationshipsWhitney P. Akers and Craig S. Cashwell16. Linking Infidelity and Health: An Integrated Stress PerspectiveDaniel J. Weigel, M. Rosie Shrout, and Dana A. Weiser 17. It's a Family Affair: Navigating Experiences of Parental InfidelityAllison R. Thorson, Manasi Shankar, and Dana A. Weiser18. Interview With Dr. Augustus Y. (Gus) Napier—Reflections From an Expert Augustus Y. (Gus) Napier