You learn by doing. Your inner game will develop automatically with experience. I don't recommend reading about it however if you really need to read something then this is what I would recommend you..
https://pdf.yt/d/ExC5kZNMZrSkYanb
https://manhood101.com/principles101.pdf [3rd chapter]
https://pdf.yt/d/ExC5kZNMZrSkYanb
https://manhood101.com/principles101.pdf [3rd chapter]