At the end of the day, it's hard to win against the NFL. It's a billion-dollar business, it's hard to win against it. They can manipulate a lot of different things. They can pull strings, they know people. At the end of the day, nine times out of 10, they are going to win.
The guys who stick around are the smartest guys and the guys who are the most self-driven. You have to have drive. The coaches can only take you so far. You have to want to learn and work.