We had brawled plenty by then, to the point where I viewed her a little bit like an enemy. But here in my moment of comeuppance, she arrived at my shoulder almost like an angel. Maybe she understood my shock. Maybe she knew that the disparities of the world had just quietly shown themselves to me for the first time. It’s possible she needed simply to hurry things up. Either way, without a word, Robbie gently laid one finger on middle C so that I would know where to start. Then, turning back with the smallest smile of encouragement, she left me to play my song.