Bersungguh-sungguhlah. Lakukan pengujian secara fisik. Gambarkan berbagai situasi. Gunakan berbagai hal untuk membantu Anda. Gunakan hipnosis untuk membuat diri Anda menjadi lebih baik.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
No self-hypnosis or mantra will manifest itself in real life if you don't actually mean it. In order for this to be effective, you have to believe in yourself and your actions. And why not? If you do mean it, it could work.  If the first time doesn't seem effective, don't write it off automatically. Some things take time to get used to and to get good at. Come back to it in a few days and revisit the experiences. You may be surprised. Open your mind. You have to believe there is a possibility of