Two wrongs don't make a right (the (ir)rationality of revenge)

Hello, again.Just a random thought, but I would like to discuss revenge. I hear it almost daily, the ubiquitous justification for the old "eye for an eye".
"[Insert name] reneged on a promise".
"Well", says the friend, "do the same as they have done to you".I have friends, friends very dear to me, that utilize this same behavior. I hear from friends others that employ revenge upon them. We see in film the protagonist that is wronged, and devotes their life to fulfilling a vendetta.It's unnerving, until I feel wronged by someone, and experience the same caressing of revenge coaxing my conscience. I'm not perfect, but I rarely act on this urge, if at all.Does anyone else observe this behavior in others? Is anyone else cognizant of these same irrational feelings in themselves? Does anyone have any experiences they wish to share? Thoughts? Comments?Coffee house, please. Edited by Adminnemooseus, : Changed topic title from ""Two wrongs..." to "Two wrongs don't make a right (the (ir)rationality of revenge)"