Final answer:
True, opening up and communicating with others enhances self-knowledge by providing different perspectives and encouraging self-reflection, leading to a deeper understanding of oneself.
Step-by-step explanation:
In responding to the student's inquiry, we can assert that opening up and communicating with others does indeed increase your own self-knowledge and understanding. This is because interacting with a diverse range of individuals can reveal different perspectives and stimulate self-reflection, leading to a deeper understanding of one's own thoughts, behaviors, and emotions. Through the processes of reflexive communication and feedback, we gain insights into our strengths and weaknesses, enhancing our ability to navigate social situations and build meaningful relationships. Consequently, the statement is true.