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.
There were a few novels about wives wanting a divorce that he could recommend. Among them were "Mrs. He Wants a Divorce [Entertainment Industry]","Mrs. Jin Always Wants a Divorce and Couples (Bean Ding Ding)","Mrs. Xi Wants a Divorce Everyday","After Rebirth, Mrs. Huo Wants a Divorce","Mrs. Gu Wants a Divorce Everyday","After Marriage, Mrs. Bo Always Wants a Divorce","Mrs. Ji Wants a Divorce + An Extra-show [A Green Awn]", and so on. These novels covered different plots and backgrounds, and readers could choose one to read according to their interests.
There were a few novels about his wife wanting to be a star that he could recommend. Among them were "My Wife Always Wants to Be a Star (Entertainment)","My Wife Wants to Be a Star (Galaxy Fire)","My Wife Wants to Be a Big Star", and so on. These novels were set in urban entertainment and told the story of the male protagonist and the celebrity's wife. The specific plot and development of the plot required reading these novels to obtain more information.
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.
Perhaps the wife was out on a hike. There was a stream crossing that looked easy, but as she stepped on a mossy rock, she lost her balance and landed in the muddy bank of the stream. She then had to walk back home with mud all over her, making quite a sight and having an adventure to tell.