At Stanford University, students wait in line for rock star professor Bill Burnett’s course-turned-best-seller, “Designing Your Life.” You don’t have to. He’s here to share the principles of the course and his best-selling book (subtitled, “How To Build a Well-Lived, Joyful Life”). Burnett says that if you want to live the life you want — and improve your relationships at home and at work — you have to face your problems head-on, including the money ones. By the end of the interview, we were all ready to go back to school. Then, Kelly and I tackle your questions about negotiating top dollar at work, investing beyond your 401(k) and — because here comes wedding season — whether you need a prenup.