Be free to do what you want to do
Nobody can tell you what you have to do. Do something that you love, that you enjoy, because you do it for you and not for the others. If you love to sing, go and live your dream. WE ONLY HAVE ONE FREAKING LIFE. And if you don't pursue your dreams you will regret it FOREVER.
Don't let anybody tell you what you have to do. It is all about you and only you.
I know sometimes, it is really difficult to found what you want to do, but don't give. There is always one thing that you enjoy to do, even if it can takes long time for you to discover it.
Don't aim for success if you want it; just do what you love and believe in, and it will come naturally.
David Frost
