Why do so many people feel unfulfilled after reaching their biggest goals?

In this episode, Dr. Charles  explores the psychology of achievement, purpose, and personal growth through the story of Roger Bannister and the first four-minute mile. Drawing on research in motivation, flow, and behavioral psychology, he explains why humans aren't wired for permanent comfort, why retirement may not be the finish line we've been promised, and why meaningful challenges are essential for a fulfilling life.

The question isn't whether you've achieved enough.

The question is: What's your next four-minute mile?