This is a tough business. You hear all the time about how resilient you have to be in order to survive, let alone thrive in it.
I think that the key is to remember, in those hardest of times, the occasional flashes of fun that make you remember why you wanted to do this instead of something steadier or more certain. Those moments need to sustain you, and you need to figure out how to generate them.
Go to lunch with your coworkers. Talk about great content that inspires you… what did you watch last week that made you want to raise the bar with your own work?