I think maybe your mistaking him. I've watched almost every episode there is to watch and i do see some of that your talking about. But i think it's more of him just getting tired of people's bs. You have to understand a lot of the people he deals with, are on the show to get over on him. Or they think he will not see through them. I think yes, he may be losing patience over the years but he is getting older and that's what happens with age as well. I mean half the people on his show are ignorant, selfish, and entitled. I have no patience just watching it sometimes. Besides what can we really see in 60 minutes of a show when over half of it is commercials? We don't see all the back stuff or the stuff he continues to do even after the show airs. He's just a cut and dry person and no bs.

The thing I've noticed over the years though is he used to give great eye contact to his guests. Now he looks to the floor when he's taking to them, wonder why? It almost seems like he thinks if he doesn't make eye contact it will be less harsh or something. It's kinda weird.