The skills you need guide to interpersonal skills

parties to feel happier about any compromises made during the process. 
It will also make future negotiations with that person easier.
CONFIDENTIALITY
Confidentiality, and the ability to keep information secret when necessary, 
are important under a wide range of circumstances. There may be many 
times, both at home and at work, when someone tells you something, or 
you become aware of information, that should not be spread further.
How, though, can you identify those situations and be sure that 
you are acting correctly?
Some information is always confidential, such as information about 
someone’s health or medical history, especially if given to a healthcare 
professional. The formal status of other information may be less clear, 
and gossip would be a good example of this.