Pia Callesen, a prominent Danish metacognitive psychologist with a PhD from Manchester, dives deep into the world of metacognitive therapy. She shares how it differs from other therapies like CBT and DBT, emphasizing the management of negative thought patterns. The discussion reveals insights on controlling responses to intrusive thoughts and the dual nature of worry. Pia highlights the dangers of rumination, its links to feelings of worthlessness, and introduces practical strategies like 'worry time' to foster healthier thinking.