Mark of Satan

I think it is hard to tell wether or not he really wanted to change or he just did not want to be alone. Like someone mentioned earlier, there is a struggle between good and evil, which make me believe this might be one of his battles where he is trying desperately to change the way he has become. However, he might just be scared of being alone and abandoned. I pity this character because he had very bad intentions toward the woman and child who were just trying to help him. The ending was very ironic, and made me think of how karma comes back and kicks you in the face. He was being malicious by spiking the lemonade in order to take advantage of the woman, but instead he got injured and was in need of her help. Made me think twice of any evil actions i might want to take in the future. Did anyone else find it interesting that the narrator switches over to Gracies point of view? any idea of why the author did that?