So depressed about job after college. Who will believe me?

Job. This sound like it could be a bad job, or a serious depression. Ask for some help in the the human resources department, but also get a professional consultation for depression. Contact recruiters for a new job and write up a resume.
Are you worried. About getting a job after college or are you feeling unhappy in the job you got after you graduated. If it is the later - just remember - you don't have to stay stuck in a job that isn't what you want. Figure out what kind of job will be fullfilling for you and go for it.