Anthonie Wurth is a former European judo champion (1991) and Olympian (Barcelona 1992). He is the founder of the My New Behavior method and has coached more than ten thousand people on lasting behaviour change since 1993. He writes about the voice in your head that says “just stop”, and the system to beat it. He is the author of Training Reinforcement (Wiley) and, in Dutch, Overwin jouw Quitter, De tegenstander die je niet ziet, De Stem Die Liegt and Opgesloten in Shanghai. He lives in Maassluis, The Netherlands.