1) The author reflects on happiness and success as a 75-year-old retired man who held many jobs throughout his career but didn't always find deep fulfillment. 2) He realizes he focused more on making money than enjoying his work, and quotes Joseph Campbell who said to find happiness by reflecting on truly happy memories, not just excitement. 3) The author is now searching to find his "bliss" or deepest happiness, and believes reflecting on past happy memories can help reveal it, so that even in his later years he can enhance his experience of being alive by following his bliss.