What should I do about this relationship?

get rid of this guy. that kind of stingy person never changes. that is incredibly selfish. if you were to marry him your life would be miserable. he would be stingy in other areas of your life too. do you really want that? Or do you want to have a happy life? You know the answer. get rid of him. if he asks why, tell him you can't stand how stingy he is. what a jerk!