If you love it, and work really hard at it, it will really happen, I believe. I'm living proof.
For me, unemployment and poverty in the Greater Montreal area is not mainly a problem of structure, or design, or statistics. It is a profoundly human situation.
Think about the photo before and after, never during. The secret is to take your time. You mustn't go too fast. The subject must forget about you. Then, however, you must be very quick.