There are no two words in the English language more harmful than "good job".
Be the best.
In order to do so, you have to sacrifice it all.
If you want something, earn it. There's no time to think about other things, you have to stay up all night practicing, or studying, or doing what it takes to acomplish your desires. You also have to stop going out, because you'd be losing your time in dumb things instead of focusing…