Desire: To wish or long; crave; want. The desire to live longer, or longevity, often stems from a combination of the human spirit’s quest to understand death, fear of the unknown, and the drive to maximize life’s experiences, such as pursuing hobbies or leaving a legacy. Quality over Quantity: Most people only desire a longer life if they can maintain good health and independence. Quite a bit packed in this copy from a web search, but the last line is very significant. Generally, our strong desire to keep living is directly connected to our health and individual freedom of movement. Healthcare in the United States comprises about 20% of GDP, while globally about 10%. Another web search says: Significant Life Extension: Studies suggest that higher optimism is associated with an 11% to 15% higher lifespan compared to the least optimistic individuals. “ Empty are the words of the philosopher who offers therapy for no human suffering”, said Epicurus whose answer was ataraxia, literally ‘untroubledness’, or perhaps best translated as ‘tranquility’. Humans are naturally curious and those who offer guidelines which resonate and promote positive and optimistic attitudes are integral to our longevity.