Amusement crosses his face; he's quite familiar with someone goading him, trying to maneuver him to do what they want. And between his Force-sense and recognizing the look in her eyes, he knows she's not seriously accusing him of cheating. It doesn't upset him, but he allows himself to be pulled along in her banter.

"A Jedi never cheats," he tells her gravely, his beard twitching slightly. "We are, however, taught to use any and all advantages that we can find."