Her stroke is smooth and consistent. Her attitude is that of a winner. All of this spells confidence, in herself and her game. He is a man with positive expectations. He is justifiably proud of himself, and this relates to confidence.
Confidence leads to victory.
Willie Mosconi epitomized the well dressed pool player. I believe it did. He dressed for success, and shot the same way. I wear blue jeans everywhere. I don't iron my shirts, because the label says I don't have to.