John Kim is a licensed therapist, speaker, and author of the bestsellers I Used to Be a Miserable F*ck and Single on Purpose . He writes for Psychology Today , among many other publications, and has been featured in the New York Post and on Vice, NPR, and Armchair Expert. He lives in Altadena, California, where he is raising a daughter with his partner. He writes books, sends daily texts, and helps his online community of like-minded singles find themselves first--and, of course, he still rides his motorcycle to coffee shops.