Nutrition is indeed a complex topic. The human metabolism is incredibly intricate, second only to the brain in terms of complexity. We're constantly learning new things about how our bodies metabolize food, including the impact of factors like the microbiome, emotions, sleep, and exposure to light. There's still so much we don't know, which is why the answer to many nutrition questions is often "it depends." Personal experiences and individual differences play a significant role in determining what works best for each person. It's important to be cautious of marketing tactics that try to push one-size-fits-all solutions, as they may not take into account the unique complexities of our bodies. Ultimately, finding what works for you and fostering a love for fitness is key to long-term success.