In this book, Windy Dryden presents and discusses transcripts of single sessions he conducted with volunteers from Onlinevents who were seeking help to deal with a variety of problems related to regret. Each volunteer presents a reflection on their session several months later and in the final chapter, Windy Dryden brings together the themes that emerge from volunteers' reflections. The book shows how people experience single-session therapy (SST) and what they can achieve from it.