There is a sort of constant battle between the two of them to the degree that they are fighting, but they are taking care of one another. When the sugar goes on the cheek of Patrick, Art takes it off with his hand in a very nice gesture of kindness -- and very intimate, I would say. But at the same time, they are really tense. And I think it’s about being jealous of one another, but at the same time wanting one another.
"According to Director Darren Lynn Bousman, Paris Hilton was so passionate about the film being made, that when production was going to be halted due to the budget going over by $50,000, Hilton made a paid appearance at a nightclub for that sum to make up the difference and keep filming going. Despite this, she is not credited as a producer."
Horror Character Appreciation - Paris Hilton as Amber Sweet in Repo! The Genetic Opera (2008) dir. Darren Lynn Bousman