Wrath knew it wasn't because of Sloth; that it would always be a part of her, but she was too tired to argue. That self-loathing was just part of being the personification of wrath turned inward and perhaps that was the reason she could live with Sloth all the time. He couldn't do anything to her she didn't already do to herself, except make her more lazy about all of it.
"There's really nothing that did it," she said, resting against his chest. "I just fuckin hate being me but there's fuck all I can do about it. Longest I ever managed to stay dead was like a week because I locked the door and hung myself, but some bitch cleaning lady fucking found me and took me down and I woke up once the fucking noose wasn't around my neck any more."