Need Advice from Graphic Designers

[Rae]

Okay, so I'm dropping the whole psychology thing because after some thinking about my past, my present, what I want from my future, and who I am, I've realized I was merely settling with the idea of psychology.
So I began thinking more, and I remembered something.
My junior year of high school, I took a Graphic Design class. I loved the work but I was unable to finish the class because the teacher harassed me until I cried every class. I ended up dropping out and though I know I would have never been able to put up with the teacher and keep my sanity, I still regret leaving. I loved my classmates and I loved what I was doing!
This memory made me realize I really do love art and I want to do Graphic Design.
I'm currently attending a community college that has a few graphic design classes, and I'm planning on taking them.
What I want to know is what can I expect in the Graphic Design field?
I'm not sure what kinda specific questions to ask, since I'm not completely sure what to expect.