Mental load, often underestimated, is crucial in the organization of software projects, especially within agile teams. It goes beyond being merely a performance factor and also extends to the well-being of team members. How does this mental load influence the structure and effectiveness of agile teams? To shed light on this topic, we will explore the insights of prominent figures like Felienne Hermans, J. Sweller, Yerkes & Dodson, while drawing on references such as "Teams Topologies."