Oh man, that part was and is very rewarding. 제 책을 사용하고 좋아해준 사람들로부터 온라인과 오프라인으로 피드백을 받는 것은 정말 대단한 일입니다. Its super flattering to be told that my books were a big influence on their approach to drawing, especially when they seem to be seriously pursuing art.