Pretty redundant, I gotta say, in addition to meta. Thanks Dad! PS. I was told, "You should probably link or credit the original source for that." It is here: http://blog.visual.ly/venn- diagram-of-venn-diagrams/
Things that are meta? Being grateful for gratitude of course. And once you know how great it feels to be grateful for great stuff, and all the science on just how effective feeling gratitude is for increasing your happiness and decreasing your stress, how could you not be grateful?