If you find your reason for being, you will be less shakable. For example, people like Elon Musk who have enough money to retire but are still working, are clearly working for something else. Tesla’s reason for being is not to make money. According to their website, Tesla’s mission is to accelerate the world’s transition to sustainable energy. Great. What’s yours?
And, on the other hand, if you don’t know your reason for being, then you might start chasing all the wrong things.