The conversation continues after the show.
The cameras kept rolling after our episode on willpower, and Dr. Thomas Elston went somewhere the main conversation didn't: what an "addictive personality" actually is inside the brain. His answer — a brain that learns from rewards too well — reframes everything, including the story Damon tells about a friend who was addicted to meth, got sober, got into fitness, and then became a multimillionaire. Same drive. Different target.
