Those who have expressed doubts and misgivings about their ability to live this kind of life shouldn't try, because being a musician is not something you chose to be, it is something you are.
When I was 19, I made my first good week's pay as a club musician. It was enough money for me to quit my job at the factory and still pay the rent and buy some food. I freaked.
I have been both praised and criticized. The criticism stung, but the praise sometimes bothered me even more. To have received such praise and honors has always been puzzling to me.