Sounds like the thing that made Jack a valuable player was the thing that ultimately ruined his chances with the Spurs--he had no fear because he was sure he was a star. He just couldn't conceive that he might have to be content with being a role player.
Pop: I haven't talked to Tim in about 6 or 7 years. If I did, he wouldn't listen to me anyway. It says that he's mean and rude!