Maybe Naruto admires Kakashi's skills. Kakashi is a highly respected ninja, and Naruto might want to be as good as him. So he starts acting like him to learn from him.
In the fanfiction, Naruto could act like Kakashi because he wants to understand him better. They are comrades, but Kakashi has a lot of hidden depths. By acting like him, Naruto hopes to get into his mindset. Also, Naruto may believe that acting like Kakashi will help him gain more respect from the other ninjas. Kakashi is well - respected in the ninja world, and Naruto might think that by imitating his behavior, he will be taken more seriously.
One reason could be for strategic purposes. Itachi was a highly strategic ninja. So, in fanfiction, Naruto might act like him to outwit a particularly difficult enemy. For instance, when facing an enemy who is a master of deception, Naruto could adopt Itachi's calm and calculating demeanor to see through the enemy's tricks.
Maybe Naruto is put in a situation where he feels that Hiruzen's way of handling things is the best option. For instance, if there is a major crisis in the village that requires a more traditional and experienced approach, Naruto might choose to act like Hiruzen. Also, he could be influenced by the stories he has heard about Hiruzen and wants to fill his shoes in a way.
In the fanfic, Naruto could pick up Kakashi's habit of being a bit of a mystery. He might not reveal all his thoughts and plans right away. Also, his sense of humor could change to be more dry and understated, similar to Kakashi's. He may start using more one - liner type of remarks during interactions. Naruto might also show more patience in teaching and guiding others, as Kakashi is often seen doing with his students.
One possible reason could be that Kakashi is preoccupied with other important matters in the village. Maybe he has some top - secret missions or tasks assigned by the Hokage that demand his full attention, leaving him with little time to focus on Naruto.
One reason could be that he sees Naruto as a younger version of himself in some ways. Both have had their share of loneliness and challenges growing up. Kakashi may want to prevent Naruto from going through the same pain he did. Another reason is Naruto's importance to the village. As the jinchuriki of the Nine - Tails, Naruto is a key asset. Kakashi, being a loyal ninja, wants to protect the village's future which is tied to Naruto.
One possible reason could be that Naruto might feel Kakashi is too strict with his training. Maybe Kakashi's methods are too harsh for Naruto, making him frustrated and gradually developing dislike.
One possible reason could be Kakashi's reputation as a strict and powerful teacher. Naruto might be in awe of his skills and fear making mistakes in front of him.
One possible reason could be that Naruto might be trying to prove his independence. He has grown and wants to show that he can handle things on his own without always relying on Kakashi's guidance.
Well, Naruto could mimic Kakashi's calm and collected demeanor during fights. Kakashi is known for not getting flustered easily. Naruto might start to hold back his usual exuberance and be more stealthy, like Kakashi sneaking up on enemies. He could also try to use a variety of jutsu in quick succession, similar to how Kakashi combines different techniques smoothly in battle.
One possible plotline could be Naruto trying to mimic Kakashi's calm and collected demeanor during a difficult mission. For example, when facing a powerful enemy, Naruto might hold back his usual冲动 and instead analyze the situation like Kakashi would. He could start using Kakashi - style strategies, like setting up elaborate traps or using misdirection to gain an advantage.