At certain moments of your life, the question comes, during a pause:

What am I doing here?
What the hell am I doing here?
At certain moments of your life, the question comes, during a pause:
What am I doing here?
What the hell am I doing here?
Much has been said about persistence and perseverance: how, if you are only forceful and determined enough, you could achieve whatever it is that you set your mind to.