 You practice. You talk. Even if it's into your own phone. Even if it's recording a podcast on a computer and listening back to it. Reps are what help you get more comfortable. Reps give you the edge. And then you develop that muscle memory. And sure, Tiger still has the mental capacity. He's got the wisdom. He's certainly got the experience. But he's not getting a lot of the practice and the reps, which means his touch, his feel, his rhythm, that's gone.