My best advice came by examples. A supportive environment at home, school, and grad school. Support at the New York Institute of Technology, then George Lucas, Steve Jobs, and Bob Iger. The examples meant that I should support other people, even when things aren't going well. It will pay off.
One term that's used in this industry a lot is this notion of 'feeding the beast.' You've got all of these people whose livelihoods are dependent on it. There are enormous pressures to keep material going into it, and the pressures to feed it are not irrational. They're the basis of your business.