The video features Rob Mack, a happiness coach and author. He shares his personal journey of transformation from unhappiness and depression to finding inner peace and joy. The concept of positive psychology as the study of happiness is discussed, highlighting the combination of scientific research and intuitive understanding. The principle of non-attachment is also explored, emphasizing the importance of finding happiness within oneself rather than relying on external factors.

Rob Mack's background and transformation Positive psychology Non-attachment