When choosing a career it is vital to have a good understanding on what your values, interests, skills and personality traits are. To know thoroughly what are the things that you enjoy doing, what are the things that you are good at and what you value most in your life is going to bring you a step closer into the right career path. So before choosing a career think about the skills you have acquired throughout your life, think about what of your interests can be turn into a professional career and think about your personality preferences and core values so that you know what type of professional you aspire to be.
Considering how the author is expressing Bindi's joy of sharing what she has, you can tell the author is glad Bindi is spreading a positive message. Hope this helps!! :)