Confronting impossible people (In life and business)
ryanwaggoner: Aside from the immediate issue that you're dealing with, which it sounds like others have given some good advice for, here's something for the future:Read How to Win Friends and Influence People.  I used to think it was just a treatise on how to manipulate people for selfish gain, but after reading it, I think it's really more about cultivating a genuine interest in people and developing the habit of treating people like we all want to be treated.  You'd be surprised how effective this can be once you start doing it, partly because it's increasingly rare in our society.