He did all he could to fulfill the void he had in his heart. Even after success and fame, he often times he felt like something was missing from his life.
With the reality that at the end of our lifetime, the most significant thing we look to is the people around us. It would, therefore, make sense that we would have the best time of our lives with others.
Joey finally decides to face his fear and skips the bus to walk to work, embarking on a journey he would have never expected to have.