Business coach Keren Eldad guides us in what it means to be an overachiever, and what drives us to want to be among them. How can we all avoid burnout, and the trap of perfectionism? Why do we pursue money and status, only to find that happiness eludes us? How can we turn off the negative radio in our heads that tells us we’re not good enough? In Mailbag, Jean and Kathryn tackle questions about Roth vs. traditional 401(k)s, the decision to get an MBA, and how to protect an elderly parent’s assets.