End before the end

It can get kind of down and depressing, when you can see how things will end before they end. And that ending is not good. But now that you are mid way, more than mid way through, what can you do? Giving up seems like such a waste, but not giving up will most likely lead to horrible consequences. Your best efforts are not working at all. What can you do? Am I too much of a perfectionist? Am I giving myself undue pressure? Am I too caught up? Am I?