Once they have a baby, Castle and Beckett's relationship would transform in multiple ways. There would be a new sense of responsibility towards each other as co - parents. They would share more private and tender moments as they take care of their little one. Their arguments might change too. Instead of just about work or their relationship, they could now be about how to raise the baby. But overall, their love would be more profound as they are building a family together, and they would be more united in facing any challenges that come their way in this new chapter of their lives.
In a fanfic where they have a baby, their relationship would shift. They would now be partners not only in crime - solving but also in parenting. Castle would likely become more domesticated, helping with diaper changes and midnight feedings. Beckett would have to learn to let Castle in more on the parenting front, and they would communicate more about family - related matters. This new aspect of their relationship would add a different layer of complexity and closeness to their bond.
A Castle and Beckett baby fanfic could be about their journey into parenthood. It might explore how they adjust to having a baby in their lives. For example, Castle could be super excited and start writing new stories inspired by his new family experience, while Beckett might be a bit more cautious and protective.
Castle might become more responsible. He was always a bit of a carefree writer, but with a baby, he has to grow up a bit. Beckett, on the other hand, could become more empathetic. She was tough as a detective, but motherhood softens her edges.
The fanfic could start with Castle and Beckett already having a baby. They are adjusting to their new life as parents. Beckett might struggle a bit with the lack of sleep and trying to balance work and motherhood. Castle, on the other hand, is loving every moment of being a father. He writes a new book based on their experiences of having a baby. Meanwhile, they also have to deal with some family drama, like an over - eager relative who wants to be too involved in the baby's life. But through it all, their love for each other and for their baby only grows stronger.
He might get jealous right away. He could storm off and then later come back to confront Beckett about it.
Good Castle Beckett baby fanfic often focuses on the emotional aspect. It shows how their love deepens with the addition of a baby. For example, their shared joy and the way they support each other through the challenges of parenting.
One possible plotline could be that the baby has some sort of special ability or is in some way connected to a mystery they have to solve. Maybe the baby's birth coincides with a strange series of events in the city, and Castle and Beckett have to use their skills to protect the baby and figure out what's going on.
He could react with anger. After all, if he has feelings for Beckett, seeing her with someone else like Vaughn might make him furious. He might lash out at both Beckett and Vaughn without really understanding the situation.
Perhaps in the fanfiction, the baby girl has a health scare when she's a toddler. This would put Castle and Beckett through a really tough time, but it would also show how strong their relationship is. They would be by her side constantly in the hospital, and it could lead to some very emotional and heart - warming moments between them and also with their friends who come to support them.
One possible fanfiction could be about Castle and Beckett finding out they are having a baby girl. It might start with Beckett suspecting she's pregnant and taking a test. Then Castle's over - the - top excitement when he finds out. They could start planning the nursery, with Castle having all these wild, creative ideas and Beckett trying to rein him in a bit. Their friends would also be super excited, and there could be some comical moments as they all offer their parenting advice.
One possible fanfiction could be about Castle and Beckett raising their baby boy. Maybe it focuses on how Castle's over - the - top ideas for the baby's nursery clash with Beckett's more practical approach. For example, Castle wants a spaceship - themed room while Beckett just wants something simple and calming. The baby boy could also have some unique traits that add to the story, like having a very early interest in detective work just by observing his parents.