Awesome Music: The ending song, "So New", sung by Cillian Murphy himself, is a sweet and melodious little number.
Jerkass Woobie: Pig has certain shades of this. He definitely is love obsessed to the point of being a male Yandere and more than a little unstable, and most of his misfortunes tend to be his own fault. But at the same time, his numerous emotional issues stemming from his unwillingness to move on can make one feel just a little sorry for him.