At first, more confusion. Then he looked like he might get angry. And finally he seemed half excited, and like he was trying not to laugh. "Tsunade is an awful old woman." He blurted passionately. Because of course she had called him back for this, and of course she hadn't mentioned what this was. Obito leaned forward and took Itachi's face in his hands, rough and playful, and kissed both his cheeks and his forehead. "Itachi! I can't believe you."