Love and addiction are both borne of our brain's reward system. Our reward system essentially functions at a primitive level to ensure our survival and procreation. So they are basically rooted in the same place, and are therefore intertwined.
Where they diverge, however, are in their outcomes. Love furthers our ability to exist and flourish, whereas addiction serves to destroy us. An addiction is a hijacking of our brain's reward system.
I think a person can definitely be addicted to love if the outcomes are destructive.
I hope that makes sense. I am admittedly a thinker but not a philosopher.
ABW1