Revenge is something I do not usually bother with. More likely than not, it's because I take measures to have very few people involved with me, whether that be directly or indirectly.

If it were were a matter of something I hold dear to me, than I can say with no pause that I would become a black, brutal fury. I would likely exact more than revenge.

More commonly than not, however, I am the cause of another's vengeful thoughts if they do not know me well, as I am as I am - terribly acidic and cynical.