In reference to Koobs being stubborn, it looks like you're correct but he may be willing to change...
http://www.examiner.com/x-778-Housto...ween-the-lines
"Last but not least, when Kubiak was asked if he's giving up on his goal for a balanced run-pass attack given the Texans running game woes, he said "you've got to run the ball in this league. You're going to have a hard time changing me on that, but I've also got to look at what's going on with my team right now and what's happening. We're throwing the ball very, very well and we're not running it very well. We're going to do what we have to do to win, but we're not going to give up on the run.""