Answer:
Without a specific passage or text to refer to, I cannot provide a detailed response. However, in general, if an author learns about culture from his grandmother, he may learn through stories, traditions, customs, and values that are passed down from generation to generation. The author may also learn about his family history, heritage, and ancestry through his grandmother's teachings.
To show that this lesson has remained with him into his adult life, the author may demonstrate an appreciation and respect for his cultural heritage in his personal and professional life. He may continue to follow the traditions and customs that were taught to him by his grandmother, or he may share his knowledge and experiences with others to promote cultural understanding and awareness. The author may also reflect on his childhood memories and experiences with his grandmother, and how they have influenced his identity and worldview as an adult.
Step-by-step explanation: