Alexander and I slipped out of the library and went our separate ways. By the time I reached the classroom, the door was still open. I slipped inside as quietly as I could, my eyes scanning the rows until I spotted her. There she was, sitting exactly where she always sat. Her hair tumbled over her shoulder as she twirled a pen between her fingers. I was relieved when I saw that the lecture wasn’t over yet. 

A few students glanced at me as I moved quickly down the aisle, but Sloane turned ...