Taking precautions to avoid illness may raise concerns about weakening the immune system, but evidence suggests that exposure to bacteria and viruses is beneficial for immune health. The discussion highlights a potential link between increased allergies and asthma and the overly clean environments in which many live, suggesting that a lack of exposure to pathogens could lead to immune dysfunction. Engaging with "dirt" and not overly sanitizing one's environment can help maintain a robust immune response without necessarily causing illness. The conversation also touches on the casual practice of eating food dropped on clean surfaces, with humor about the "three-second rule" and the practicality of eating frequently as a bodybuilder, which can lead to more dropped food. Overall, the consensus leans towards the idea that a balanced exposure to germs is important for a healthy immune system.