Im cooked, Im having a mental breakdown, Idk what to do :C

I shoulve probably ended my syllabus for islamiat and pak st by now, i think im doing ok is islamiat but im cooked in pak st. Ive been trying to start pak st but I have a pre mock of islamiat on wednesday and idk when to study pak st. Im just done with life, idek how to study now, i feel like i dont have time left, its devastating, please help by giving tips, or anything really