Dating means inviting your sweetheart to see a movie, visit a park, dance, etc. Generally speaking, sensitive partners will detect courtship signals from your date. Borrowing things is a way to express feelings by borrowing things. Direct expression means that when two people are interested in each other, they can be honest with each other and express their feelings directly. Implicit, thinking with feelings, love in action. The book is simplified, that is, writing "love letters" and "love letters"
This passage is taken from The Power of Etiquette.
Author: Zhan Yang