So, you've got to negotiate with this person. Now what?
You will almost certainly have to negotiate with some people who have pathological personalities. You need to figure out a way to deal with the mental cases you have to negotiate with. Medicating the other person is not an option, so what can you do?
There are three important things to keep in mind when it comes to dealing with difficult people at the negotiation table.
Let's take each of these points in turn, because if you become consumed by feelings of hate and repulsion for the other party, ...