Marla: "I'll take the parasites."
Norton's Character: "You can't have both the parasites, but why don't you take the blood parasites."
Marla: "I want brain parasites."
Norton's Character: "I'll take blood parsatites, but I'm gonna take organic brain dementia."
Marla: "I want that."
Norton's Character: "You can't have the whole brain."
Marla: "So far you have four, I only have two."
Norton's Character: "Ok, take both the parasites."