Well, there are several elements in art including: space, texture, color, form, shape, and of course tone. Lets use space. Space is what gives your photo depth. All pictures should have a foreground, middleground and background. You can use space in your photography by having negative and positive space, allowing the viewer to move their eyes all around the photo.
The point that I would gather you mean is the conversation held at the hospital when Soda tells Pony that Darry was very upset the entire time Pony was gone. Pony was surprised by this because Darry always seemed angry at Pony, never before had the idea that the anger was a mask for concern or love.