He talks like American Psycho, the whole movie.
Man, it must really suck to develop into someone so different than other "normal" people. You get made fun of, and no one is out there to care for you, or tell you that the way you treat other people isn't conducive to a healthy lifestyle. His parents were probably too busy with work to help him through his problems, or they tried and just didn't do enough. All the money in the world, and nice clothes and cars probably wouldn't help if you didn't have a nurturing environment.