One common theme is family. Since it's about them having a baby, it often focuses on how they build a family unit. How they protect and care for their child.
Survival in a different sense can be a theme too. Not the survival in the arena like in the original story, but survival as a family. They have to deal with things like providing for the baby, keeping the family safe from any threats that might come their way in the new world they are in.
Love is also a big theme. The love between Peeta and Katniss grows even deeper with the addition of the baby. And of course, their love for their baby is a central part. For example, they might show their love through little acts like Peeta making special treats for the baby or Katniss making a little piece of clothing for the baby.
Survival in a new context is also a theme. They had to survive the Hunger Games, and now they have to survive the challenges of raising a child in their post - Games world. For instance, protecting the baby from any threats that might still lurk in their society.
One common theme is the exploration of their relationship in a more passionate and intimate way. Since in the original story their relationship is complex, fanfictions often delve deeper into their feelings for each other on a more physical and emotional level.
Peeta would probably be very nurturing. He has a kind heart, so he'd be great at taking care of the baby's basic needs like feeding and changing diapers. Katniss, on the other hand, might be a bit more cautious. She's used to being in survival mode, so she'd be constantly on the lookout for any potential threats to the baby.
Common themes in Katniss and Peeta fanfictions include their emotional journey. In the books, they went through so much, and fanfics take that further. They might explore how Peeta deals with his hijacked mind and Katniss' guilt over the whole situation. Another theme is friendship - turned - love. Their relationship started as a strategic alliance in the Games, and fanfics often look at how that evolved into true love. And there's also the theme of sacrifice. Both of them were willing to sacrifice for each other in the books, and fanfics play around with different scenarios of sacrifice in their relationship.
One common theme is the exploration of their relationship post - Mockingjay. Writers often imagine how they rebuild their lives together after all the trauma they've been through.
One common theme is the rebuilding of trust. Since they are in a life - or - death situation in the Hunger Games, trust is crucial. Fanfictions often explore how they regain and strengthen that trust in a post - Games world, which is intertwined with their growing love.
One common theme is family. It focuses on how Peeta and Katniss create a family unit in the harsh world they live in. Another theme could be hope. Their having a baby represents new life and a chance for a better future. Also, love is a big theme. It shows how their relationship evolves into a more mature love with the addition of a child.
They would become more united as they have a new life to protect. Their focus would shift from just each other to their baby, and they would work together even more closely.
One common theme is the exploration of their relationship. Whether it's how they fall in love during the Hunger Games or how they rebuild their relationship after the war. Another theme is the aftermath of the Games, like how they deal with the trauma together. And of course, there are often themes of survival, as they are both survivors of the brutal Hunger Games.
One common theme is the exploration of Katniss' internal struggle. Since in the original she was so focused on survival, fanfiction often shows how she deals with her love for Peeta while still trying to stay alive. Another theme is the re - imagining of key moments. For instance, the way she volunteered for the Hunger Games might be retold with her love for Peeta as a motivating factor. Also, the theme of sacrifice is common. Katniss might be portrayed as being more willing to sacrifice for Peeta because of her love.