Becoming a professional player

[Smock8]

I'm writing a research paper on becoming a professional poker player. I think it would be great if i could get some comments from people who have actaully made the change from a regular job to a professional player. My specific questions are: What is the largest adjustment you had to make? How do you manage your money? What are some unanticipated obsticles that you had to overcome? What is considered a good income playing professionaly? Any other comments that you would like to make would be great. Thanks guys.