If you have the courage to consider a given situation a little differently, you may find that an the other party's objection is not the stumbling block you thought. There are ways to overcome whatever resistance the other party's putting up against you and bring everyone together under an open, productive frame of mind. As human beings, we are influenced by emotions. Like any other form of communication, emotion can be used effectively in business negotiation in a professional, credible manner. And like any other tool, it should be used with discretion, according to the situation at hand.
Negotiation often provokes strong emotions.
But this doesn't have to mean delay, stalling, antagonism or stonewalling. Strong emotions can be used to drive the momentum of a negotiation forward. Whether the terms of a deal or other type of negotiation should be written down throughout the discussion or addressed at the end is something to consider. Negotiating involves many other forms of communication than just verbal content, and that can be hard to read or interpret. Body language, silence, tone of voice are some of the variables you have to factor in.