Why so Grumpy?

Today’s strip is a belated reference to an August 2012 Army Times article.

“The research, conducted by German scientists and a Washington University of St. Louis psychology professor, found that young men who enlisted in the military not only were less agreeable — and less neurotic — to begin with than their civilian counterparts, but they stayed that way long after they hung up their uniforms.”

What do you guys think? Are you grumpier thanks to Uncle Sam?

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