I love the writings of Julian Shapiro and his article, What to Work on is another masterpiece.
I spent an hour listing out everything I cared about — from human connection, to self-education, to wealth. In the process, I surprised myself: There is a better way to achieve these goals than pursuing a startup.
Knowledge — Do you become more knowledgeable and skilled when doing it? Adventure — Do you accrue novel, memorable experiences? Fame — Do you build an audience you can later leverage? Power — Do you acquire resources and connections? Money — Do you increase your financial wealth? Exercising Talent — Do you leverage your skill and creativity? Human Connection — Do you bond with others?
Go, read the article. It can be pretty eye-opening - What to Work on.