This podcast episode explores common mistakes that English learners make when discussing age, particularly the frequent misuse of the verb "to have" instead of correctly using "to be." Lindsay and Aubrey underscore the cultural significance of age milestones in America, such as turning 21 and 40, while also offering practical language tips through engaging role plays. Additionally, they highlight the importance of their "Top 15 Mistakes" series, which serves as a resource for learners seeking to enhance their fluency and accuracy.