The more in it than I expected.
To have good negotiation, we have to do negotiation reasonably and emotionally.
Before meeting counterpart, we should make preparations logically.
After meeting counterpart, we should make presentations feelingly.
This technique can be used when you talk to business partner,store clerk. even your husband(wife),
You will be able to transmit what you want to say smoothly.
I think communication skill means negotiation skill.