She obviously is fond of him, but as a friend, not as a lover and not as a future husband. Why she can't get rid of him ? She doesn't want to hurt him, may be. But at the end of it she gets sick, litteraly, not only to convince him to leave her place. At least he was not agressive, but clearly pissed. She had to leave the bed and go to the door to convince him to go out.
It's sad for him and we understand it's not easy to let go a girl like Kami. He is burning the little respect he has for himself, it will take him time to heal, that's what she is giving him, the time...
Kami is a very nice girl, hope she finds a more adequate boy friend.
Yesterday, after a shooting, she changed the way she combed her hair. She looked older, almost 30, and more common. I understand it's not what she wants, as she wrote somewhere. So the work is sill in progress...