close attention to tone of voice and body language. Incongruence between the words and nonverbal signs will show when your counterpart is lying or uncomfortable with a deal. ■ Is the “Yes” real or counterfeit? Test it with the Rule of Three: use calibrated questions, summaries, and labels to get your counterpart to reaffirm their agreement at least three times. It’s really hard to repeatedly lie or fake conviction. ■ A person’s use of pronouns offers deep insights into his or her relative authority. If you’re hearing a lot of “I,” “me,” and “my,” the real power to decide
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