MM i think you can try to take some other courses and try to see whether you like them or not...
It's not late to change your major or your job, I see so many people in college retake their degree simply cuz they want to try something new...
In addition, US is not like China, you can always go back to school and try other things. However, you have to keep in mind that you have to start all over again in new field...[em00]