Justin Lehmiller, PhD, is a Research Fellow at The Kinsey Institute and author of the blog Sex and Psychology. His writings have appeared in USA Today, VICE, Playboy, Men’s Health, Politico, and Psychology Today. Dr. Lehmiller’s latest book is Tell Me What You Want: The Science of Sexual Desire and How It Can Help You Improve Your Sex Life. Follow him on Twitter @JustinLehmiller or Instagram @JustinJLehmiller. Credit: Esther Boston.