With the dust down and the Cassity family handcuffed to various pieces of furniture, Sam explains about the hallucinations they might experience. "The handcuffs are so you won't hurt yourselves," he says. "And," Dean adds, "if one of you starts bugging out, we know who's on tap to become puppy chow!" He tells Sam to stay behind while he heads off to the hunt. Sam's not down with that. "You need backup," he says. "I need you to be safe, Sam," Dean says. He reminds Sam of their previous battles with Yellow Eyes, Lucifer, Dick Roman. "We both know where this ends," he says. Yeah, with somebody dead in May, and then alive in September or October. But Dean, unlike the viewer, doesn't take it for granted that they always survive. "So, you just decided it's gonna be you?" Sam asks. "I'm a grunt," Dean says. "You're not. You've always been the brains of this operation." Sam tries to interrupt, but Dean goes on. He says that Sam sees a way out, a light at the end of the tunnel. Dean doesn't see it. Dean can't see the light beyond the black hole that is his self-esteem. He sees a bloody end for himself and doesn't even seem sad about it. Just like that, his budding grasp on permanence is gone and he grabs, instead, for the first opportunity to throw himself into the nearest sacrificial volcano. He wants Sam to have a normal life. "You, with a wife and kids and grandkids, living 'til you're fat and bald and chugging Viagra. That is my perfect ending, and it's the only one that I'm gonna get." He warns Sam against following him by threatening to shoot him in the leg. Not that Sam could budge from under the five metric tons of Dean-shaped despair, even if he wanted to.
While Dean marches off to face his doom, Sam is left with the even more horrible prospect of dealing with the Cassitys. They are still, even after all the recent deaths, bickering over trivial matters. Finally, somewhere in all their squabbling, it comes out that Margot was the one who wished for oil. She thought the family would be happier if they were rich.
Dean gets sidetracked by the strains of "I Touch Myself" coming from the stables. Naughty horses! He follows the music to Ellie's room and finds her drunk-dancing alone. He turns off the music. "Are you okay?" he asks. "I'm good," she says. "I bet you're great." She's all up on him, kissing him. He manages to tear himself away and lock herself inside her room. "This is gonna sound crazy, but there is something evil out there," he says. "I know. It's coming for me," she says.