When I want to let the other side know my goals instead of making demands, I make suggestions, I make recommendations, and I make proposals. "May I suggest this?" is so much more graceful than "This is what I want."  

 It is important to know your client. What are their values, their goals, what is important to their life?  Become a student of ego, character, intentions and temperament. Insights into character can prepare you for responses.

The value of a good reputation is the sum total of how you have conducted yourself. In my mind, integrity is the lifeblood of your reputation.  A good reputation is central to creating a right atmosphere.