It is relly difficult to adhere to the passion. You will find change each and every stage of your life. Then you must take the right decision on basis of the situation but a wrong decision can destroy you life.
At first we should figure it out personal key strength then make a plan on basis of your desier and passion. You should face a lot of difficulties, when found an obstacle, don' t be panic, just think how to overcome it and how this solving process can carry out for your passion. So keep it on, you will reach to your Goal.