Firstly, if you like a girl, you should not show it, and she should not be aware of your feelings. The Hunter's Principle teaches us that when you want to catch prey, you must not let it know that it's being watched.
The second step involves increasing opportunities for contact with her. As the saying goes, "opportunity knocks at the door only to those who are close." Only people who are familiar with her have a chance to be with her. If there is no opportunity, you can actively create one, such as asking her for a small favor, giving you a reason to interact with her.
The third step is to package yourself. The Leader's Rule suggests that within a pride of lions, the most liked is always the lion king. Women often prefer men with a dominant demeanor. To demonstrate this, take charge of various aspects of life, make decisions, and express your thoughts.
The fourth step is never to put all your eggs in one basket. Casting a wide net is the correct approach, and the Pond Rule is the most effective method. When your pond is large enough, and you know many women, your thoughts and mindset will undergo a significant transformation, and you'll feel that there's no need to hang yourself on one tree.
If you have any questions, feel free to ask in the comments. The next article will discuss how to chat with a girl you like.