For episode 104 of the Metta Hour Podcast, Sharon speaks with friend and colleague Dr. Judson Brewer MD PhD.Dr. Judson Brewer is a thought leader in the field of habit change and the “science of self-mastery”, having combined over 20 years of experience with mindfulness training with his scientific research.In this episode, Sharon and Dr. Jud speak about how Dr. Jud came to the path of mindfulness and meditation while in medical school, and how that evolved to become a cornerstone of his work. They speak at length about how the brain behaves in various states of connection, disconnection, lovingkindness, or loneliness and how this affects our ability to make choices freely. Dr. Jud also shares some of his work related to cravings and addiction, and rewards-based learning.