Until the young girl left and the room was empty, Pei Sichen finally opened the e-book. But as he opened the file, he froze.
"Education of Love" had a clear table of contents. From holding hands, physical contact, to caressing and kissing, there were detailed explanations and scientific interpretations of each method. It turned out to be a bona fide "textbook".
Moreover, from the wording, it was evident that the author was not only proficient in neurology and psychology but also in various fields such as physics, chemistry, and astronomy.
For example, when explaining the act of holding hands, he even used mechanical arm feedback to illustrate. It was as if the person writing this book understood high-tech things like mechanical arms more than the human body's sensations.