Hello, Mango. This is the instructor. First of all, I would like to sincerely thank you for taking the course <React Master Class: Part 2 - High-Performance Hooks and Real-World Architecture Completed via Missions> and for leaving such a valuable review. The thoughtful feedback you provided gives me a great deal of strength. As an educator, I feel very rewarded to hear that this course served as an opportunity for you to firmly re-establish the concepts of the hooks you have been using familiarly. I am confident that the habit of accurately understanding and applying principles will become a powerful weapon for you in designing high-performance applications in the future. To show my support for your passionate learning, I would like to offer you a small benefit. If there are any additional courses in our curriculum that you wish to take, please feel free to contact me at the email address below. I will send you a discount coupon immediately upon confirmation. Inquiry Email: jeony0535@naver.com Thank you once again for taking the precious time to leave such kind words. I will sincerely root for your growth :D