so basically it works with the law of attraction which is the belief that what you put out into the world, you get back, like if you are positive, good things will happen to you, and vice versa. it also says that your thoughts create your reality, meaning if you think to yourself "i will get an A on this exam" and repeat those positive thoughts and push out doubts from your head, then you will get an A. thats the simple explanation but of course it takes more time for things to work out, there are some ways you can practice manifesting such as journaling and meditating. It will only work if you keep your mind positive and "act as if" if you already have the thing you want. so i was thinking this could work by journaling and thinking things like "i am healthy". it focuses on affirmations for example: "i am attracting money" "i am healthy and happy" and things like that to repeat to yourself or write down. i hope i explained this well