First of all, success is to be happy with one’s life. It doesn’t mean she is successful when she is wealthy but unhappy.
Gladwell says in Outliers, “It's not how much money we make that ultimately makes us happy between nine and five. It's whether or not our work fulfills us.” He tells readers that money is not a ticket to one’s happiness. It is the work that makes her either happy or unhappy. Having a work that she loves, a work that fulfills her, make her