Marla Singer stays because she recognizes a kindred, suicidal loneliness in the Narrator that mirrors her own existential despair. From their first meeting in the support groups, Marla and the Narrator are defined as tourists in other people's misery, using the proximity of death to feel alive. When Marla says, "Your apartment blew up, and you're asking me out? That's really sick," she is not repelled; she is intrigued by a shared pathology. She tolerates his wild mood swings and verbal abuse because she is deeply depressed and possesses zero self-esteem, viewing his chaotic behavior as a bizarre form of intimacy rather than a red flag. Crucially, Marla is the only character who sees the Narrator as he truly is, calling him out when he acts like a Jekyll and Jackass. In the final scene, when she is dragged to the skyscraper by Project Mayhem members, she is terrified but stays by his side because his apology and his admission ("Trust me, everything's going to be fine") represent the first moment of genuine, unmasked vulnerability he has ever shown her.■