Social Psychology in Fight Club
Similar people are likely to have smooth and enjoyable interactions because they share qualities and characteristics that dictate attitudes applied to everyday situations. People tend to think that their beliefs, personality characteristics, values, tastes and attitudes are the right ones to have and so someone who shares those perspectives must be reasonable and worthwhile. Those similar to us often share our beliefs and orientations and consequently serve to reinforce and legitimize them, they confirm our worldview. The more similar people are the more they can act natural and be themselves in a relationship as well as allow the other person to be themselves.
Though the audience is led to believe that Marla Singer falls for Brad Pitt’s Tyler Durden and is romantically involved with him we never actually see them intellectually interact. We see them in the hall outside Marla’s apartment and in explicitly compromising positions in the bedroom at the house on Paper Street, but they never actually converse. Their relationship is quite ambiguous in this manner, and throughout the movie we see it play out mostly through Edward Norton’s distorted perspective. Thus it is reasonable to assume that the true relationship that has Marla coming back for more despite Edward Norton’s inconsistence is between her and Edward Norton and not her and Tyler Durden.
Based on the attraction theory of similarity it makes sense that Marla would be attracted to