Her relationships with others could be a manifestation. If Peter is very social and outgoing, he could encourage Bella to be more involved with other characters. So she becomes more sociable and has more friends or deeper relationships. Also, in terms of her interests, if Peter is into something like music or books, Bella might start to develop an interest in those things too.
On the positive side, Bella could find a new sense of purpose. Garrett's influence might lead her to discover a passion she didn't know she had, like exploring ancient secrets or helping a particular group of people. This could give her a new direction in life and make her more fulfilled. However, she may also struggle with her identity. She has been Bella for so long, and now with all these changes, she might question who she really is. Is she still the same girl at heart, or has Garrett changed her so much that she's become a completely different person?
In the fanfiction, Bella might be changed by Peter in various ways. It could be a change in her personality. For example, if Peter has a very positive and confident attitude, Bella could become more self - assured under his influence. Maybe he encourages her to pursue her dreams more actively, and she starts to take risks she wouldn't have before.
One way is through a fight. If Victoria attacks Bella, it could leave Bella with physical and mental scars. Physically, she might be injured and have to recover, which could make her more resilient. Mentally, the trauma of the attack could make her more aware of the dangers around her, less trusting of strangers.
One possible plotline could be that they are brought together by a mysterious force. They have to figure out why they are mates and what it means for their future. Another could be that they are from different vampire clans and their relationship causes a rift between the clans. They then have to find a way to reconcile the clans while maintaining their relationship.
In some plotlines, it could be that Bella has made a deal with Peter in order to escape Edward's over - possessive nature. Peter might have his own reasons for wanting to get involved, like a long - standing feud with Edward's family. So, he uses his wits and resources to whisk Bella away to a place where Edward can't find her. This could lead to a whole new adventure for Bella as she adjusts to life away from Edward and with Peter's protection.
He might face more difficulties in fighting powerful villains. Without a team to back him up, he has to take on all the challenges alone. This could lead to him getting injured more often or having a harder time achieving victory.
One manifestation could be that Leo tries to outdo Percy in various tasks. For example, if there's a competition within the story, Leo will go all out to win just to show that he's as good as or better than Percy.
Maybe Peter gets tired of the double life. He realizes that being Spiderman has cost him too much, like his normal relationships or his own mental health. So he decides to give up the mantle.
In the fanfiction, Maryjane could be in love with someone else at the time. Even if she has some feelings for Peter, her stronger feelings for another person make her reject Peter. Also, Peter might have done something in the past that Maryjane can't forgive, like lying to her, which results in the rejection.
A simple plotline could be that Bella's sickness is just a normal flu, but it makes her realize how much she depends on those around her. She might have a moment of self - reflection while lying in bed sick. She could also receive some unexpected help from a stranger who turns out to be an important character later in the story.