hard for. the tragedy for some is that the ladder they climbed was leaning against the wrong wall and it is only in the end of their career (or life) that they finally realize it with great regret.
that is part of the reason why i have my music career students go through this test. it is designed to allow some people to discover for themselves that maybe building a music career is not really what they need or want in life. it is such an eye opening experience for them since 5 minutes before going through this process, they thought they were sure they wanted a music career. so obviously 