Ha...! Then my efforts have paid off.

[He looks smugly pleased with himself, whether or not he believes Levi is being sincere or just humoring him.]

Of course decaf tastes different. It's a chemical process to remove the caffeine. To the untrained tongue, it wouldn't be noticeable, but... [To a nutbar like him, it's a compromise he simply cannot fathom.

Also why would anyone want less caffeine? Health reasons? Maybe if you're a weakling.]