This podcast episode discusses the concept of "brushing up" on skills. The hosts emphasize the importance of continuous learning and practice to maintain and improve skills. They provide examples of skills that can be brushed up on, such as language proficiency and historical knowledge. The episode also introduces the phrases "refresher" and "fine tune" as ways to revive and enhance existing skills. The hosts share tips for brushing up on skills, including not putting pressure on oneself and finding enjoyment in the learning process. They encourage listeners to have an accountability partner and to have confidence in their ability to revive and improve their skills.