Love conquering all is also a very prominent theme. Despite the differences in their backgrounds, they fall in love and get married. So in these fanfictions, you'll often see how their love helps them get through various difficulties, whether it's political unrest in the dwarven kingdom or just the everyday misunderstandings that can happen in any relationship.
Another theme is the acceptance within their respective communities. Often, they have to face some sort of opposition or at least initial hesitation from their own people, and the story is about how they deal with that and gain acceptance. It can also be about how their relationship changes their own views and the views of those around them.
One common theme is the blending of cultures. Since Bilbo is a hobbit and Thorin is a dwarf, there are often descriptions of how they incorporate each other's cultural elements into their married life, like food, traditions, etc.
Love is also a prevalent theme. Whether it's a platonic love or a romantic one, many fanfictions play with the idea of their feelings for each other. Some explore how their different backgrounds, Thorin as a dwarf king and Bilbo as a hobbit, influence the way they express their love and care for one another. It can be a very interesting exploration of their characters' emotions.
Redemption can also be a theme. Thorin's pride and how he might overcome it with Bilbo's help is something seen in some fanfictions. And loyalty, both to each other and to the company they are part of, is frequently a central theme as well. For example, in some stories, they are tested in terms of their loyalty to one another during difficult situations.
One common theme is the exploration of their relationship under this new and unexpected circumstance. Another could be how the characters from Middle - earth react to this rather unorthodox situation. Also, there might be themes related to the challenges of pregnancy in a fantasy setting.
One of the main themes is the power of friendship and how it can turn into something more. In 'female Bilbo and Thorin fanfiction', you'll often see their initial bond of comradeship evolving. Also, themes of self - discovery are common. A female Bilbo may discover new aspects of herself in relation to Thorin and the challenges they face together. And there's often a theme of breaking gender norms as Bilbo, being female, challenges the traditional male - dominated world of the dwarves.
One common theme is the idea of two very different beings finding common ground. Bilbo is a hobbit, small and home - loving, while Thorin is a dwarf king, proud and ambitious. Their relationship often explores how they overcome these differences. Another theme is loyalty. They learn to be loyal to each other in the face of many challenges during their adventures.
Betrayal is another theme. Sometimes Thorin may suspect Bilbo of betraying him, like when the Arkenstone is involved. This suspicion can cause great emotional harm to Bilbo. Also, power dynamics play a role. As Thorin gains more power in Erebor, he might unintentionally or intentionally hurt Bilbo with his new - found authority.
One common theme is the struggle with power and love. Thorin is often in a position of power as a leader, but his obsession with Bilbo challenges that. He has to balance his duties and his growing feelings.
One common theme is the exploration of an unlikely relationship. Since Bilbo is usually male in the original, making Bilbo female changes the dynamic, and fanfictions often explore how they overcome differences. Another theme is adventure. They are in Middle - earth, so they go on quests and face perils together, which strengthens their bond.
A theme that frequently appears is the idea of love and attraction in a new light. In many fanfictions, the relationship between Fem Bilbo and Thorin evolves into a romantic one. But it's not just a simple love story. It's often set against the backdrop of the adventure and the power struggles in Middle - earth. So, it combines elements of action and adventure with the development of their relationship. Also, the theme of self - discovery for Fem Bilbo is common. As she goes on this journey, she learns more about herself and her place in the world.
One common theme is redemption. For example, if in the original story a character made a mistake, through time travel, they get a chance to correct it. Another theme is the exploration of their relationship. In different time periods, Bilbo and Thorin may develop a deeper understanding of each other.