Susan Krauss Whitbourne, Ph.D., ABPP, is a professor emerita of psychological and brain sciences at the University of Massachusetts at Amherst. She is a prolific writer in the field, having authored or coauthored over 160 refereed articles and book chapters, 16 books, and a number of blog posts for Psych Today and Huffington Post. Cynthia R. Davis, Ph.D., is a researcher for the United States Department of Veterans Affairs in the Cooperative Studies Program, part of the VA Boston Healthcare System, and a senior lecturer in psychology at Suffolk University in Boston. She earned her master's degree in human development and psychology from the Harvard Graduate School of Education and her doctoral degree in applied child development from Tufts University.