Easy Dave, "fat, dumb and happy' is an American expression describing a reasonably pleasant condition, not an accusatory remark.
Retired? What happened, your boss catch you goofing off in the Inconvenient Truth thread?
Well, it good that you can spend more time here sharing your knowledge.
Oh, this is the comet in your neck of the woods. The photographer said that dark sky above the trees was smoke from Aussie fires.