Do what makes your soul shine meaning. This is whatever brings you joy and completes you, whether it is acting, caring for others, or another path instead. One of the secrets to true happiness is to do what you love, and choose an occupation or vocation that you are passionate about. Every day will seem like an adventure and work will never seem like a chore. Find what makes your soul shine through and makes you happy, and then do this. If it will never be boring or dull, and at the end you will not have any regrets about what you did and the life that you lived.
We all have something that we love, something that awakens a sense of excitement and motivation in us. Find out what this is for you. Try a variety of things to find out what you enjoy, and where your passions lie. This will help you identify the activities that you like, and what stirs your soul on a deep level. When you do what you love, what thrills you to your soul, then life is always full of joy and happiness no matter what else you may have going on.