This kind of interest is not in line with the norms of a healthy relationship. A good marriage relationship should be built on positive emotions, common goals and positive communication. You can try to introduce some positive literary works or movies to your wife to guide her interests to a more positive direction.
I'm not entirely sure what this phrase specifically means as 'cum junkie' is a rather vulgar and inappropriate term. However, if we break it down, it seems to be some sort of statement about a person's wife having an excessive or abnormal attraction, which is not a proper or respectful way to describe someone.
This is a rather strange request. It could be that she's testing your reaction or she's been exposed to some strange content recently that made her curious about this kind of stories. But again, it's important to approach the situation with respect and ask her directly what she's really after. If it makes you uncomfortable, let her know that certain topics are off - limits in your relationship.
Well, in part fifteen of the story about my wife and the new neighbor, it might involve some sort of conflict. Maybe the new neighbor starts to show some strange behavior towards my wife, like being overly possessive of the shared driveway or something. This could lead to my wife feeling uncomfortable and having to deal with the situation in a diplomatic way.
One possible story could be that she is an amazing artist. She might paint beautiful landscapes in her free time and sometimes display them in local galleries, which has made her quite well - known in the neighborhood.