I wonder if she ever was the neighbour's girlfriend and "latched" on this guy, or if she was aiming for this guy from the get go and used the neighbour as an excuse...
Sooo...
"Hey, he has an artifact that let him regenerate any wound real fast... For sure, he is dead and we shouldn't try to find said artifact so he doesn't have it anymore"
right... who could have guessed he would come back ? :O