One common theme could be the development of their relationship. It might explore how they first realize they are mates and then how they navigate the challenges that come with it, like dealing with different personalities and backgrounds.
Another common theme is self - discovery. As they interact with each other, both Major and Bella often learn more about themselves. They might discover hidden talents or come to terms with parts of their past that they had been avoiding. This theme is usually intertwined with their relationship development, as they grow both individually and as a couple.
Love and loyalty are common themes. Their relationship often shows how they are loyal to each other through various challenges. For example, in many stories, they have to face opposition from other characters.
One popular story could be 'Jasper's True Bond with Bella'. In this fic, it might explore how Jasper and Bella's relationship develops in a unique way, different from the original story. It could involve Jasper protecting Bella from various threats and their growing emotional connection.
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 popular story could be 'Emmett's Unwavering Bond with Bella'. In this fanfiction, it might explore how Emmett's protective nature towards Bella grows. Another could be 'Bella and Emmett: A Different Kind of Mate Bond' which could focus on a unique take on their relationship, perhaps in an alternate universe setting. There could also be 'The Unbreakable Emmett - Bella Mate Link' where their relationship is put to the test against various challenges.
There's also 'Mated Souls' which focuses a lot on the emotional aspect of their being mates. It shows how their connection affects their relationships with other characters in the Twilight universe. The way it describes their unbreakable bond is really fascinating.
Another one could be 'The Mate Bond of Bella and Aro'. It focuses on the development of their mate bond. It might start with an accidental encounter that leads to a strange pull between them, and then as they explore this new connection, they uncover secrets about their pasts that are intertwined.
There's also 'Bella and Aro: A Different Kind of Mate'. This one could focus on how Bella, instead of being with Edward, forms an unexpected and complex relationship with Aro. It might delve into the power struggles and cultural differences they face as mates.
One popular Bella and Finn mates fanfiction might be 'The Bond of Bella and Finn' where they go on adventures together in a magical forest. It focuses on how they discover their bond as mates and face challenges as a team.
One popular 'bella and alec mates fanfiction' story could be the one where they face challenges from different vampire clans together. It shows how their relationship develops in the face of danger.