Library Potato Chips

He always sat diagonally behind her in the library, watching her profile flickering between the pages of the book. On graduation day, he mustered up the courage to sit across from her, but she raised her head and said, "You finally looked at me." He was stunned, and it turned out that she had always known. But he opened his mouth and only said one sentence: "I know your profile better than a book." Later he received a photo she took of him looking at her profile - it turned out that they were both loving each other from an angle that the other could not see.