13. Training

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Every other day, Naruto holds training sessions with Shizune. She was Tsunade's only student and had an amazing medical talent. Ever since he revealed to everyone that he had Chakra in him and told them about his "delicate" training, Kushina immediately told him to stop it for fear that he would accidentally hurt himself. This was stupid according to Naruto, because he had been practicing for almost half a year and was fine, but he had no right to discuss it with his Ka-chan. He only managed to ask someone to watch him during training and help him with his training. Minato interceded on his son's behalf, and together they managed to convince Kushina to relent a little under the pretext of improving Naruto's health.

Minato was very supportive of his son and believed in him, which is why he helped him so often.

So since then he has been training with Shizune, who is like an older sister to him, having always tried to be someone like that for Naruto and his siblings ever since he can remember. She helps him set up his training schedule and supervises his every workout. She was older and more experienced, even if she was only a medical Kunoichi. Naruto gratefully accepted her advice and suggestions. Thanks to her, he realized how poor quality his training had been, focusing more on more movement and a few basic exercises. Well, he may not have been able to do anything more at the time and had to hide it from everyone, but it showed him what an ignoramus he was. He realized that despite his already great knowledge, he knew very little and it motivated him, to learn even more.

Shizune, despite being a medical Kunoichi, knew much better what kind of training to do with Naruto than if someone else had to arrange his training plan. Medical knowledge and being a Shinobi at the same time allowed her to take many things into account so as not to jeopardize his health.

Naruto's training plan had one main goal. To create such an injury-proof body that even his medical condition would not bother him.

The workouts were much harder than he anticipated, and the exercises themselves also became more difficult and varied the longer he trained with it. For example, his usual movement, which was the basis of his own training and strength, changed several times in the very beginning, first to walking backwards and then to walking backwards on uneven ground, always barefoot.

He did a lot of exercises to improve his balance, not only that of his body, but even his internal balance. Shizune explained it to him in simple terms - The body is constantly vibrating, the atoms that make up the cells and the body vibrate continuously around each other. As you develop physically as well as mentally, the vibration increases, the body never really stands still as we think. Master your breathing and balance your negative and positive memories, thoughts and emotions, balance improves the quality of these vibrations and they will help you maintain your internal balance. Without internal balance, how are you supposed to maintain this physical balance?

It was a good thing that he meditated a lot in the past. He knew how to breathe properly and knew many breathing techniques, so he didn't need to waste any more time on them. They immediately moved on in training to exercises in which he had to use his breath, which naturally increased their difficulty by several levels. He couldn't believe that a simple exercise that he performed easily even with his weak body, with proper breathing would make him sweat as if he had run a marathon.

He didn't do typical strength exercises, he mainly increased endurance with simple and safe breathing exercises. He focused mainly on motor training, mobility, body weight work and gymnastics. In six months, he stretched his body to such an extent that he couldn't believe it himself.

Now after those six months, Shizune said it was time for the next stage - You have developed your health and body to a really good level, now we can move on to the part where you focus on feeling your body

Naruto was curious about what she came up with, he already suspected what she might be talking about, because at her recommendation, he had recently read a lot of books on spiritual development and self-improvement. There was a lot of philosophy there, and he often had to stop for a moment to think about something.

Meditation and inner balance help a lot in developing Spiritual Energy and Chakras. They help you focus better on something, or even calm chaotic emotions, but practicing them for a long time also brings other benefits. The body sensing that Shizune talks about focuses on controlling certain parts of the human body that we don't even think we can move. People are able to control their own heartbeat and reduce its beats to as little as one per minute! Some are able to control their own body heat! And still others are able to control the flow of blood in the bloodstream! Many forgotten qualities in the body can be learned, such as echolocation or instinct, often called the sixth sense!

The human body is a treasure trove of knowledge we don't even think about! Humans have a huge potential for development, but not everyone knows how to use it well!

- You probably already know what I'm planning for you.... - Shizune smiled at him, and Naruto nodded in response - The simplest thing you'll find useful at this point.... and you'll probably like it a lot, will be to control your blood flow! But in order to achieve this you must learn to meditate with heart coherence, you then connect your mind and heart on the same level, which allows you not only to control your heartbeat, but to manipulate the flow of blood. By speeding up the flow of blood in the bloodstream, you will not only increase the metabolism in your body, and you will be able to increase your strength for a short moment through better muscle performance! - Shizune explained to him. This was very valuable for Naruto, even if the enhancement is short-lived, it is a strengthening of the body, and it is very important for Naruto with his weak and crippled body.

Shizune explained to him in detail how he should enter a state of cardiac coherence during meditation, that is, the merging of mind and heart into as such a single organ.

Naruto had heard about this many times, but had never tried it. It was now morning, and he had purposely not eaten breakfast, it didn't require an empty stomach, but he was used to meditating like this. It was much better and more effective.

Listening to Shizune's pleasant voice and her further instructions, he quickly entered that famous state of heart coherence and felt a strange peace he had never felt before. It was peace on the Spiritual level, and his Soul entered a state of relaxation, Naruto felt as if he could control every inch of his body, but he felt no need to do so. He just wanted to continue to stay in this state for many more hours, and maybe even longer.

He stopped hearing Shizune's voice, stopped hearing at all. His sense of hearing seemed to shut down for that moment. He felt such pleasure inside him that he had never felt before in his crippled body.

He was perfectly able to tell the time that had passed without even actually thinking about it. He was able to control a lot, yet he didn't feel the need to do so. He simply wanted to exist like a true monk.

However, this moment of peace quickly passed, the pleasure in his heart didn't seem, as much with each passing second. It was boring, it began to remind him of his crippled life when he was still unaware of his condition. Surrounded by an illusion, a bubble of a happy family....

He didn't want it, in fact he hated it...!

He hated all those unnecessary pleasures that distracted him from his dreams. Pleasure was only killing him, he was losing himself in it...!

He would only feel true pleasure when he was able to feel and experience all that this world offered him...! He wanted to travel, experience everything without limits, spread his wings in freedom and not worry about anything...! This was the pleasure he dreamed of in his every dream!

Everything else was just an illusion to distract him from it...!

Naruto sensed the state of his heart, it was beating at a slow pace, with every single breath he took, once every few seconds. He slowed his breathing even more, and with it, his heartbeat slowed as well.

Ten seconds for one breath, then twenty and thirty seconds for one, single breath....

Further too little, some people can slow their heartbeat to one beat per minute...!

Naruto took in air into his diaphragm in slow motion for nearly thirty seconds and stopped for a second, maybe two. Then he let his breath out for another thirty seconds and held for a moment.

His heartbeat slowed to one beat for more than a minute, ideally along with his breathing. This came naturally, without any problem, but when he sped up his breathing after a while, his heart also began to beat faster. So he slowed down again, and his heart along with him, he focused on his heart with all his consciousness after a while and wished that it would not mimic his breathing now.

A moment passed, and he made sure several times that his heartbeat did not follow the footsteps of his breathing. He lasted a little more than ten minutes in this state, his heart could then rest from its incessant work, but his body was getting tired after a long while.

He sighed as he opened his eyes, and saw Shizune reading some book in front of him. She immediately noticed how he had awakened from his meditation and smiled - As I think, you did well, am I right? - She asked almost sure of the answer, and he just nodded her head.

- Okay, so let's move on to the rest of the training, starting with the usual yoga practice....

During the next two weeks, Naruto's daily task was to meditate and control his heartbeat. Without entering a state of heart coherence, he would also be able to control his heartbeat, but it would be several times more difficult at first. After two weeks of training, he was now able to decrease and increase the number of beats of his heart, even while walking. He was able to maintain one beat per minute for about fifteen minutes when he was moving or doing an exercise. Very quickly he learned to control his heartbeat at a high level.

Now he was ready for the next step, trying to manipulate the flow of blood through his bloodstream. Shizune explained to him how he should more or less imagine it and how to do it, then, just as he had done at the beginning of the training with the slowing down of the heartbeat, he again entered a state of cardiac coherence, merging his mind and heart into one. After two weeks of entering this state, he now needed only a few brief moments to do so.

He focused on the flow of blood in his veins, feeling it flowing to every corner of his body, through different types of veins or arteries. He felt how the blood reached different organs and muscles, distinguished in the blood the different blood cells, red or those white, the plasma consisting of 90% water and 10% fatty acids, vitamins, mineral salts and glucose and protein....

He slowly forced his blood to flow faster, doing so gently and quite slowly. As the blood flowed faster, his heart also began to beat faster and faster. For the heart to pump blood, there had to be a rhythmic contraction of the atria, with a subsequent contraction of the ventricles in the heart, so that the heart contracts and pumps blood further.

The heart in Naruto's case generally beat 60 times a minute, evenly every second. Now, instead, it sped up twice to, as much as 120 beats per minute! This made him blush slightly on his body and he felt a surge of extra strength!

It felt really good, however, he knew that he couldn't maintain such a state for more than a few minutes, and after that he would definitely be a little tired. However, the longer he trains this, surely this time will be longer, and maybe he will speed up his heartbeat even three or four times in the future! He still needs to practice a lot and control it so that he doesn't overdo it, because his heart may not be able to take it! But it has great potential as his ace up his sleeve for an emergency.