Have you ever entered a negotiation when the other party works very hard to find common ground? Have you ever noticed once they find what they perceive to be common ground that they use this to develop friendship and report, only to try to manipulate that found friendship for their own personal gain. Often in negotiation, that gain is your loss. Did you know there are really easy ways to screw with their minds when they attempt this fake friendly gesture trickery to take advantage of your?
One way is to ask them are they trying to find common ground? If they say yes, then say;