During this roleplay, I played the role of the buyer and Mathilde was the seller. I was pretty much more confident than in the prior negotiations. I think that there is two reasons that can explain this new feeling. The first reason is related to the behavior of Mathilde. Her nonverbal communication was very positive. I am very sensitive person, unfortunately I am often impacted by the vibes of my partners. During this negotiation, the impact was positive. I noticed that Mathilde was showing to me very positive signs and she seemed to be open to the negotiation. For sure, her BATNA was precisely defined and accepted by herself. Furthermore, she told me that she was convinced by the corporate culture of her company. The second reason of my trustbuilding was associated to my understanding of the Four Keys Concept. I had the feeling to be more determinated than Mathilde, actually. My Zone of Possible Agreement was totaly clear. However, I think that my BATNA was not rigorous enoug...