A 28-year-old advertising professional expresses dissatisfaction with his career and a desire to pursue physics, particularly quantum physics, despite feeling inadequate in math. He seeks advice on how to transition into this field while managing responsibilities at home. Forum members suggest that self-study is possible, emphasizing the importance of mathematics as the foundation for understanding physics. They recommend starting with basic math courses, such as algebra and calculus, using resources like Khan Academy, and progressing to physics textbooks and online courses. The discussion highlights the necessity of math in physics, noting that a solid mathematical background is essential for studying advanced topics like quantum mechanics. Some members caution against relying solely on popular science media for learning, advocating for a more rigorous academic approach. The conversation also touches on the emotional challenges of switching careers and the importance of maintaining motivation through engaging materials.