Well, a prevalent theme is the growth of their relationship. They start as just realizing they are mates and then gradually develop a deeper emotional and physical connection. Also, the theme of loyalty is often present. They are loyal to each other no matter what challenges they face in the fanfiction world. Sometimes, there are themes related to the supernatural or magical elements as well, especially if the story is set in a world with such aspects, and their mate bond might be influenced by or related to those elements.
One common theme is the discovery of their mate bond. It's often about how Peter and Bella initially sense that special connection between them. Another theme is protection. Since they are mates, they feel the need to protect each other from various threats in the story.
One common theme is the idea of loyalty. In these fanfictions, both Peter and Bella are often shown to be extremely loyal to each other, no matter what challenges come their way.
One common theme is loyalty. Since they are mates, loyalty among Jasper, Peter, and Bella is often explored. Another theme is the idea of a unique bond that defies normal relationships. It's not a typical one - on - one relationship, but a three - way bond which makes for an interesting exploration.
One common theme is the struggle for acceptance. Since their relationship is unique, they often face challenges from others in the story world. Another theme is loyalty. They have to show loyalty to each other in the face of difficulties.
One common theme is loyalty. Since they are mates, loyalty towards each other is a big part. They will often face challenges that test their loyalty in different ways.
The theme of growth is also prevalent. As Bella and Peter are mates, they grow both individually and as a couple. They learn more about themselves, their powers (if there are any in the fanfic's universe), and how to be better partners. This growth is often a central part of the story's plot, showing how their relationship evolves over time.
The theme of sacrifice is also quite prevalent. For example, they might sacrifice their own desires or opportunities for the sake of their relationship. Also, the theme of family acceptance. Sometimes their relationship is not initially accepted by their families, and they have to work through that.
One common theme is the struggle against the odds. Since their relationship might not be accepted easily in the vampire world, they often have to fight for their love.
Love and loyalty are very common themes. Their relationship as mates is centered around love. They are often shown to be loyal to each other, no matter what challenges come their way. In many fanfictions, this loyalty is tested, but they always come out stronger in the end. Also, discovery is a theme, as they discover new things about each other and themselves through their relationship.
Another theme is the discovery of self. Bella may find a new side of herself when she's with Sam, and Sam may also learn more about his own heart and desires. In some fanfictions, this journey of self - discovery is intertwined with their relationship development. They grow both as individuals and as a couple, which gives the story depth and makes it more than just a simple love story.
One common theme is the struggle against different vampire clans. Since Bella is associated with the Cullens and Aro is from the Volturi, their relationship often has to face the opposition of their respective groups. Another theme is the exploration of the mate bond. It's about how they come to terms with being mates, which is a very strong and almost fated connection in the vampire world.