I saw Tubs with his wife and mom at PF Chang's in B'ham a few months ago. We sat one table over from them, and they did not speak the entire time we were there. Even my wife noticed that you could cut the tension at that table with a knife.
Then again, I watched dickwad after dickwad come up to him asking for an autograph and picture. That would have been enough to put me in a pissy mood. He was very gracious and obliged everyone that approached him.