Different contexts and cultures may have different norms and expectations for body language in negotiation. For example, in some contexts, such as a formal meeting or a legal dispute, you may want to use more formal and respectful body language, such as a firm handshake, a straight posture, and a neutral facial expression. In other contexts, such as a casual conversation or a creative brainstorming, you may want to use more informal and friendly body language, such as a warm smile, a relaxed stance, and a playful gesture. Similarly, different cultures may have different meanings and preferences for body language in negotiation. For example, in some cultures, such as Japan or China, eye contact may be seen as rude or aggressive, while in other cultures, such as the US or Canada, eye contact may be seen as honest and confident. In some cultures, such as France or Italy, touching may be seen as a sign of rapport and intimacy, while in other cultures, such as Saudi Arabia or India, touching may be seen as a violation of personal space and dignity. To avoid misunderstandings and conflicts, research the cultural norms and preferences of the other party before the negotiation, and adapt your body language accordingly.