I'm the Founder of Renew Breakup Bootcamp and best-selling author of Breakup Bootcamp: The Science of Rewiring Your Heart. My new book, UNSINGLE: How to Date Smarter and Create Love That Lasts, comes out April 28. I've been a relationship columnist for over a decade and the editor of www.HeartHackersClub.com, where I write about modern dating and relationship psychology.