As much as I like genuine affection and feelings (even though well enough hidden) in my lonelyeyes I also like the idea that they are both way too detached from their humanity to still be able of love or anything similar to it. However there is just enough of humanity left in them that they still want to feel something - anything. So they are just mimicking relationship in attempt to awaken something resembling emotions. But it never works so they always part their ways. But they don’t have anything better so they just get together again…