Yes, it is very important to understand the importance of nonverbal communication in interpersonal communication. Nonverbal communication, such as body language and facial expressions, can convey a great deal of information and can be just as important as verbal communication. Nonverbal communication can help to establish trust, convey emotion, and create a connection between people. It is also important to be aware of one's own nonverbal communication, as it can have a significant impact on the way others perceive and respond to you.