This podcast episode explores various psychological phenomena and biases that affect decision-making and self-perception. It dives into the Dunning-Kruger effect, which explains why individuals with limited knowledge or competence tend to overestimate their abilities. The episode also discusses the beginner's bubble, where confidence rises faster than competence, and the challenges individuals face when navigating their own incompetence. It emphasizes the importance of seeking external information, avoiding errors in decision-making, and questioning one's own experiences and expertise. The episode delves into the complexities of evaluating expertise, the tendency to overgeneralize from personal success, and the concept of epistemic trespassing. It also touches upon cognitive biases, the challenges of asynchronous interaction on social media platforms, and the importance of effective science communication. Overall, this podcast episode provides valuable insights into the various factors that influence our decision-making and self-perception.