To "go all in" means to fully commit yourself to a particular endeavor or goal, giving it your full effort, attention, and resources. Going all in requires a willingness to take risks, make sacrifices, and push past your comfort zone in pursuit of your objective. It's about dedicating yourself completely to your goal, and doing whatever it takes to achieve it, whether that means investing time, money, or other resources, taking bold action, or overcoming obstacles and setbacks along the way. Ultimately, going all in is about giving yourself the best possible chance of success by putting everything you have into what you are trying to achieve.