This is probably the cheesiest, most overheard phrase right now. I swear, I heard it all the time in college. "You have to love what you do, or it's never worth it," my professor would say. At the time, I was just trying to get any job, wherever, doing anything teaching related to gain experience. But now, I understand why it truly makes a difference to absolutely LOVE what you do.
Here's a little bit of advice for those people in between jobs, looking for new jobs, or exhausted in your current job: be patient, work hard, and you will experience all of the good and more! Always look for opportunities and people that can help you reach that next step. I was a little hesitant at first to have people help me, but then I realized I was insanely stupid for feeling that. People know people who know people, and every little bit counts. Take every bit of advice that anybody gives you, because it could help you along the way. Never lose hope and good things will come to you!