He might leave to protect Kara and the unborn child. Maybe he discovers that there is some kind of danger following him that could put them in jeopardy, so he decides to sacrifice his time with them to keep them safe.
Even though Mon - El leaves, their relationship can still develop. Kara could keep a journal for the baby, writing about her feelings for Mon - El. When Mon - El returns (if he does), he could read it and realize how much Kara truly loved him. Also, Kara might have dreams or visions of Mon - El during her pregnancy, which could show that their connection is still strong on an emotional level.
I'm not entirely sure what'mon tsboo' means. But 'huge cock' could potentially refer to a large rooster in a story context. Maybe it's about a big rooster being in front of some sort of made - up scenario related to'mon tsboo'.
They would become more united. Having a baby together would make them a family, and they would have a stronger bond as they face the challenges of raising a child. Their relationship would be more about teamwork, not just as superheroes but also as parents.
There's not enough context to really know the details of the 'buzz mon click secret story'. It might be a story related to some sort of buzzing sound or action (the 'buzz mon click' part could be a unique name or action sequence) and it has a secret aspect to it, but without more information, it's hard to say more.
You can start by asking for recommendations from friends or family who have similar reading tastes. They might be able to point you to some great mon fictions that you would enjoy.
I'm not entirely sure specifically as it could vary greatly. But generally, a 'fanfiction' about Supergirl and Mon - El might explore a relationship that has elements of abuse in the context of the story created by the fan writer. It could be about power imbalances, emotional abuse, or other complex relationship dynamics within the framework of their characters as known from the Supergirl series.
The unique character development. When a Pok mon is pregnant in a fanfic, it gives an opportunity to explore the Pok mon's personality in a new light. For example, how it copes with the physical and emotional changes. It can also show the relationship between the Pok mon and its trainer in a different way, like increased protectiveness from the trainer.
Love is a very common theme. Since their relationship is a central part of the stories, it often explores different aspects of love like first love, unrequited love, or love that overcomes obstacles.