Sometimes, in fanfiction, Naruto stands up to Sakura when it comes to her attitude towards Sasuke. Sakura might be blindly following Sasuke's every move, and Naruto, having a more objective view of Sasuke, could confront Sakura. He would tell her that she should value herself more and not just revolve her life around Sasuke. Naruto has his own understanding of friendship and loyalty, and he would use that to make Sakura see things differently.
It could lead to a shift in the type of fanfictions being produced. If Naruto getting fed up with Sakura fanfiction becomes a popular concept, more fanfic writers might avoid writing in that vein or might try to rewrite the relationship in a more acceptable way, which in turn changes the overall landscape of Naruto fanfictions in the fandom.
Naruto might be shocked at first. He has always seen Sakura as a friend, so being beaten up by her would be unexpected. He could try to talk to her and figure out what's wrong.
It can create a lot of drama and emotional turmoil. The break - up might lead to Sakura becoming more independent and focused on her own growth as a ninja. For Naruto, it could also be a turning point in his personal development, making him re - evaluate his relationships in general.
Naruto might be very forgiving right away. He has always had a big heart and cared deeply for Sakura, so he could just accept the apology with a big grin and say it's all in the past.
Naruto could also feel a deep sense of hurt. After all, he has been through a lot with Sakura. In the face of her betrayal, he might start to question his own judgment of people. However, being Naruto, he would not give up easily. He might try to find a way to redeem Sakura or at least make her see the error of her ways. He would draw on his own experiences of being ostracized in the past and use that to try to understand her actions and find a solution.
It could be that in the context of the fanfiction, there is a lot of tension. Naruto might be in a hurry or in a very serious situation, and Sakura's chatter is getting in the way. For example, if they are in the middle of a battle plan or facing an immediate threat, Naruto needs everyone to be focused, and Sakura's talking is a distraction, so he tells her to shut up.
She might be heartbroken. Sakura could initially be in shock and then fall into a deep sadness. She may blame herself for Naruto's leaving, thinking that she could have done something differently.
Naruto's optimistic personality is a big factor. His ability to always see the bright side of things can rub off on Sakura. For example, if Sakura is worried about a mission, Naruto will be all like 'Don't worry, Sakura -chan! We've faced tougher things and we always come out on top!'. His positive outlook makes Sakura believe that things will be okay.
Well, it completely flips it. Instead of Naruto being his own self and having his normal interactions with Sakura, he now has to experience things from her perspective. He might be more empathetic towards her feelings, especially her insecurities, which he might not have fully understood before.
In the fanfiction, their relationship may grow in a more romantic way. Away from the distractions of the village, they are forced to confront their feelings for each other. Maybe they share more intimate moments as they face hardships together, and Naruto's long - held feelings for Sakura might finally be reciprocated.