Dr. Cortney Warren

Contributor, CNBC Make It

Dr. Cortney S. Warren, PhD, is a board-certified psychologist and author of "Letting Go of Your Ex." She specializes in love addition and breakups, and received her clinical training at Harvard Medical School. She has written almost 50 peer-reviewed journal articles and delivered more than 75 presentations on the psychology of relationships. Follow her on Instagram @DrCortneyWarren.