Why do you want to give up so soon? Why not try more, and even more harder? You got other chances, don’t just stop trying at your almost point of breakthrough. You got other chances! Maybe the point you want to stop as a result of frustration is the point that need a little push to get to the result. So don’t easily get tied, push forward to other tryers, the result of your research, vision maybe there. Lets take Thomas A. Edison for example, who try and try to discover electricity, he tried 10000 times before he got it. So try other ways, you got other chances.