I love the contrast of light and dark in this photo. I also love the symmetry that the shadow creates (a line down the middle of her face) Also, I love close ups on emotion, this draws in the audience and makes them feel the emotion.
"And in the dark night, she missed his light in between her arms. She wanted to hold him again, and tell him all the things she never did. And in the dark night, she felt all alone with a stranger by her side.