Disturbed, the narrator calls Marla from his hotel room and discovers that Marla also believes him to be Tyler, who suddenly appears and explains that both he and the narrator are dissociated personalities in the same body.
The narrator is disturbed. The narrator calls Marla from his hotel room. Marla also believes him to be Tyler. The narrator discovers this. Tyler suddenly appears. Both he and the narrator are dissociated personalities in the same body. This is what Tyler explains.