If you go to work and grind hard, props to you. Truly. Depending on the career you choose, it might be necessary to put in some early mornings and late nights. Work-life balance is very important, though. It's one of those buzzwords that everyone talks about, but actually achieving a nice balance takes some work. Some people really enjoy the grind, though. They thrive on waking up at 4AM to exercise and meditate, then work a 12 hour day, then brag about it on social media. These people will tel…