I put myself through the eternal-youth seeking multimillionaire's routine – it was one of the saddest months of my life

The author reflects on an experiment to adopt Bryan Johnson's extreme health regimen, which emphasizes longevity through strict diet and exercise. Initially optimistic, the author struggles with the isolating and joyless aspects of the lifestyle, particularly the bland meals and rigorous schedule. Despite losing weight and improving health metrics, the experience is deemed unsustainable and emotionally draining. The author concludes that while Johnson's approach may work for him, it is not practical for the average person, emphasizing the importance of enjoying life alongside health.