How would you feel if I told you I was done with life?
I feel concern for you, why would you want to be done with life?
I'm so sick of everything, no career, no friends, no girlfriend, I'm just sick of everything.
Having nothing to show for your life is very distressful, I understand. Ending your life is not appropriate, so many people would miss you after you're gone. Get out there and get yourself in the game of life again and have fun!
I got my gun
You need to put that down and seek help immediately. Trust me, making the first step to get help is going to put you back on track.