You really (!) have to learn the rules of the game
If you try hard you will thrive and understand. And once you understand the rules then you (just) have to play better than anyone else. To get better over time: You may need to have "Skin in the game". You will always be...
...learning. You will always be starting over! Take a look at the Big Picture, but don't ignore the "most relevant", but yet tiny little bits and pieces...