Bryan Johnson, the 46-year-old entrepreneur and longevity advocate, has made headlines for his intense pursuit of living forever. At a recent dinner party, when asked about his quest for immortality, there was an uncomfortable silence before he responded.

Johnson, founder of Kernel, a neurotechnology company, and OS Fund, a venture capital firm focused on life extension technologies, follows a strict regimen to optimize his health. He reportedly consumes only around 1,900 calories daily, follows a plant-based diet, and undergoes regular blood tests and biometric monitoring.

His obsession with longevity stems from a near-death experience in his youth and a deep fear of death that he's struggled with since childhood. Johnson has invested millions of dollars into researching anti-aging interventions, including gene therapy, senolytic drugs, and telomere extension.

Despite his wealth and access to cutting-edge treatments, critics question whether his approach is sustainable or psychologically healthy. Supporters argue that his extreme methods are advancing the field of longevity research, potentially benefiting future generations.