Only his back was real. She would sometimes trace the outline of his shoulders on a sketchbook and then calculate the angles; she would secretly record his voice answering questions with her mobile phone and enjoy them when no one was around; she would take pictures of him with her eyes and print them out in her mind.
Because she knew it was the wrong time, she recorded it discreetly, leaving it in memory of the right day.
She is a bit self-deprecating, even her secret love is so rational, it is just a person's business