Maybe he's under extreme stress and feels hopeless, like facing impossible challenges or losing someone dear.
In some fanfictions, Naruto might distance himself because he discovers some dark secrets about the ninja world or his own past. These revelations could shock him so much that he needs time alone to process and figure out how to deal with them.
Perhaps in the fanfiction, Naruto discovers some dark secrets about his past, like his family's involvement in something he considers immoral. This new knowledge could make him question his own identity and lead to self - hatred. He might feel that he's a product of something bad and that he can't escape this 'taint' no matter how hard he tries.
It might also be a very extreme statement. Some people are very protective of the original Naruto work and view fanfiction as a sort of 'corruption'. However, fanfiction can also be a form of creative expression for fans who love Naruto and want to explore different scenarios or relationships within the Naruto universe.
It could be due to the accumulated stress and trauma from the events in the fanfiction. Maybe he couldn't cope anymore.
Another reason could be related to his origin. In fanfic, if his Uzumaki heritage is explored in a way that makes him feel like a burden or an outcast more than in the original series. Maybe there are secrets about his family that make him question his own worth. For instance, if there are made - up prophecies or family curses in the fanfic that make him think he's doomed to bring misfortune, he could end up hating himself.
Yes, he does. It's a significant plot point in the manga.
Yes, Yukio attempts suicide in the manga. It's a pivotal and emotional scene that reflects the depth of his struggles and inner turmoil.
His friends would likely be in shock. Sasuke, for instance, might be deeply affected as Naruto is his closest rival and friend. He could initially be angry at Naruto for being so reckless, but then feel a deep sense of loss.
One possible reason could be to protect the village. Minato is known for his self - sacrificing nature. By sealing himself, he might be containing a great evil or power that could otherwise destroy Konoha. For example, if there was a powerful enemy or a dangerous jutsu gone wrong, sealing himself could be a last - ditch effort to keep everyone safe.
In many Naruto fanfictions, Naruto might push himself by over - training. He could be constantly trying to master new jutsus at a faster pace. For example, he might practice a new Rasengan variation until he's completely exhausted, not giving himself a break. He may also push himself in terms of physical endurance, like running long distances with heavy weights.