Using my anger productively...

How do I use my anger productively? What possible good could come of this situation? The only thing that I can think of at this point is somehow sharing what I have felt, the insanity that has ensued with other people. So, as time goes by, I will try to write my story, how it has affected me, and maybe, just maybe I can influence just one person not to hurt someone else, someone they claim to love. That is the only thing that I believe good can come out of this misery I live now.