Success and failure are 100 percent mental. One person’s idea of success might seem like a complete failure to someone else. You must establish your own vision of what it means to be unstoppable; you can’t let anyone else define that for you. What does your gut tell you? What do your instincts know about what you should be doing, how you’re going to succeed, and what you’re going to succeed at? How can anyone tell you what that should be?