You're all Bateman but in denial. But not me.
Analysis
It would appear Bateman is now seeing
Jean socially on a regular basis. In the early chapters of the novel, he began cheating on Evelyn with her friend Courtney. In "New Club" he notes that he asked their companion for her number while Evelyn was away from the table that evening. In this chapter, readers can recognize the pattern beginning again. However, unlike Courtney, this woman seemed uninterested in Bateman. Readers should also remember that when he first introduced Jean, Bateman said he would "probably end up marrying" her. This chapter ends with him taking her back to his apartment, which indicates their relationship has progressed in that direction over the course of the novel. Yet Bateman has addressed their growing closeness only a very few times. He keeps Jean separate from his darker obsessions. This suggests that much of Bateman's real day-to-day existence has been left out of his narrative.
In "New Club" and "Taxi Driver," Bateman is confronted with people who cause him stress and panic. Carnes challenges Bateman's sense of identity by failing to recognize his true nature. He addresses him by the wrong name several times and thinks his confession was a joke. Not recognizing Bateman, he talks about him as an "ass-kisser" and a "goody-goody." He says Evelyn dumped Bateman and that Bateman could not even pick up a prostitute, let alone kill one. The reader may suspect Carnes is correct about Bateman, and all the violence and sex has been Bateman's fantasy. There have been clues throughout that he is truly an insecure man, maybe with homosexual longings he is ashamed of. He may fantasize a more masculine version of himself to compensate.
In some ways the encounter with Abdullah is the opposite experience. While Carnes gets Bateman's identity all wrong, calling him by different names, Abdullah says he recognizes him. It is not clear that he has the right man. After all, he claims Bateman's face "is on a wanted poster downtown," but this is unlikely since no one else has actually recognized Bateman from the poster. Still, it doesn't really matter if this is another case of mistaken identity. No one else has even claimed to know who Bateman is in the novel. Yet Abdullah—whether or not Bateman killed "Solly"—seems to see the person Bateman believes himself to be: a killer.
This brief moment of being "seen" is erased, however, by Abdullah's complete lack of concern over Bateman's threats. He leaves Bateman in tears, reduced to babbling "baby talk." When the homeless woman appears, Bateman is incapable of attacking her either verbally or physically. All he can do is ask her to leave him alone. Instead, she attacks him verbally by telling him to get a haircut. Just as in his conversation with Evelyn on their last date, mentioning his hairstyle reignites all Bateman's insecurities. This shows what a thin line there is between his internal and external realities.
The novel ends in a final chapter that mirrors the first, but not exactly. It is more like a carnival mirror image—distorted. Bateman goes out with friends in much the same way he did at the beginning of the novel. Among them is Tim Price. Price, however, is a different man. At the start of the book, Price talked constantly, ignoring the people around him. At the end, he is largely quiet, and his conversation no longer centers on his own concerns. He talks about politics and wants to know Bateman's thoughts. Bateman, however, is also different; he is distracted and unable to focus on the conversation. Whereas earlier in the novel he could talk about a variety of topics at length, he seems almost unable to contribute complete sentences. He can't answer Price's questions coherently. He loses track of who is speaking and what is being spoken about. At one point, he tells readers, "I think it's me who says, 'I have to return some videotapes.'" It's likely he is the one who says it, because the statement is unrelated to the conversation. Yet readers realize he is experiencing dissociation—a disconnect between his thoughts, actions, and sense of self. Bateman also seems to have given up worrying about his violent compulsions. This is just the way he is. He claims to take it in stride and live life as it presents itself. However, readers suspect he has no choice about this. He has lost control. The final line is not just a notice that that door cannot be used to escape in case of a fire. It is a reminder that Bateman entered hell in the first line of the novel, when he saw the "blood red" graffito "ABANDON ALL HOPE YE WHO ENTER HERE." In the course of the novel, he has not exited. Nor will he. There is no exit.