There is a difference between working your hardest and only working. Life is all about balance and that especially goes for any career you're chasing. You will never be happy if you make your entire life about your job, just like you will not be happy if you make your entire life about your partner or your hobby or whatever. Us humans need balance. Work-life balance is extremely important. It's not only essential for mental health, but it is also essential in being a great employee. If you make…