It takes two to tango

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Life is too short to engage with idiots, morons, know-it-all's; and unless you work as a spy it is fruitless to deal with the anonymous blowhard. Question: Who is he/she/it who hasn't the balls to stand by his words? Answer: Persona non grata. In as much as I am mindful to not act on unfounded fears so, too, do I practice short tolerance for faceless agitators on the Web. In other words, arguing with someone you can't see is as asinine as shadow boxing in the dark.  

I've had a lot of worries in my life, most of which never happened.

- Mark Twain