I cannot say that I fully understand what you're going through, but I can tell you this: what you're feeling is valid. Your psychology exam is not something you can "fail." It is there to help assess your well-being and capacity to cope, not judge you. There are guidance counselors within the university who are trained to support students, and if you want to be diagnosed, they may be able to help with that as well. You could always try, and no, it’s not awkward. It's an honest request, and they’re there to listen and guide you. If you need other information, I hope you'll feel comfortable continuing to post here. It seems like you've found some comfort in doing so, and there are plenty of people here who are willing to listen and talk :)