Surprised and also happy with the reaction Adi showed when he got the Primbon book from his grandfather, even though he knew that Primbon is one of the guidelines for Javanese people in living life, but he could clearly realize that Primbon is also not something he can handle.
Today, based on his minimal knowledge about it, he only knew briefly about the primbon, read additional material on the internet and then concluded about the uses and functions of the primbon, until later when his grandfather suddenly gave him a book entitled Primbon and open the book.