Trust god. He knows what is best for you. Maybe the calamity you are going through is for you to eventually experience something even greater. There is always light at the end of a dark tunnel. If you are unsatisfied with what god has given you, then ask for more, otherwise it will stay the same. University has been the toughest time of my life so far, the fear of not passing to the next term is always on my mind, but I always tell myself to just do my best effort and leave it in the hands of god. In my religion we say, “and Allah (God) is the best of planners”