"Oh, it's definitely true," he said. "I'm a grinder. I don't take their heart, though, I take their will away. I steal their will to win. And that's what I'm going to do [to Koreshkov]. He says he's tough and his heart's never been stolen. His heart is going to be stolen by the middle of the second round. You can write that, put it in a quote, and tell me if I'm right or wrong next Thursday. Everyone in this world has some quit in him, and I'm really good at finding it. So I'll find his quit button."