Disturbing yourself over something you have never had thinking is the right way, is wrong, life achievement is not what we put our minds on but what nature brings to us.
Do not allow anybody to make you feel like you are good for nothing, the truth is that you are really and so good at something, it might be that, it is not yet your time or you are not on the he right path to success, once you go for what is yours, I mean what was meant for you, nothing will make you feel life negatively, all your mind and prospect will be directly and your aims will be well achieved.
The world we live is like a computer game, whereby you move to a certain direction and you eat something different and go again to another place, the same thing will happen, you will also eat something different, so live and let live, be free ,be Happy for the best is yet to come.