Your purpose has always been a part of you. The key to understanding and fulfilling your purpose is to embrace it, whatever it may be. As a personal example, I have been in love with the English language for as long as I can remember. In high school, I always did my best work in English classes because I always had the most fun in that kind of environment. When it came time for me to go to college, I started fretting because I didn't know what I would do in my life to earn a decent income and support any kind of family I may have some day.
My first year of college was a poor one academically because I took as many different types of classes I could (ironically, none of them in English). When sophomore year rolled around, I took the introduction to creative writing class, and I enjoyed every second of the entire semester in that class. It was at that point that I realized that I didn't have to change my passion in order to feel fulfilled in my life. Since then, my GPA has gone up every semester, and I have very high hopes for my future because I embraced what I love to do and got to work.
My parents always told me that if I do what I love, success will follow. I always wanted to believe them, but since they are both artists who ended up settling for uninspiring jobs, I wondered about the validity of their statement (as any inquisitive teenager would). In my college experience, I'd been questioning what it means to be successful, and my mind was torn between money and pleasure. From everything I'd seen in the media, the pursuit of money always seemed to lead to misery, no matter how much money was ultimately earned.
On the opposite end of the spectrum, I'd seen the portrayal of the 'starving artists', the people who devoted their lives solely to their passions, always wondering why the world is 'such a bad place', ultimately going insane or starving to death. Throwing these ideas around in my head for a couple of years, I realized that the answer lies in neither extreme. My parents were right all along, I just didn't have the life perspective necessary to comprehend what real success in life is.
Since my epiphany, I have been tirelessly writing poetry and building my vocabulary simply because I enjoy doing those things. I plan to go to graduate school and pursue an MFA in creative writing, because I want to show aspiring young minds that they can do whatever they want as long as they do it for the right reasons. Fulfilling your purpose is vastly more important than simply filling your bank account or wondering about all the torturous things in the world which come when people ask too many unanswerable questions.
Do what you love and pursue that passion with all of your heart, and the right opportunities will arise for you.