Akira stared at his broken fist. It was painful, but his feelings didn't get affected a bit by the pain. He felt it was just another day's injury, but the pause he gave at that moment was because he realized he had become numb to responding to pain. It was painful, but the baseline for the amount of pain he could bear increased.
Since the emotional breakout, Akira paid attention to how he felt, so he started to realize he was not normal like other people, which he kinda knew but never gave proper thought to.
Then he thought, if this happened to Haruka, how would he feel? He would feel sad, so then didn't it mean Haruka would feel sad if he got hurt? But then again, to progress, getting hurt and healed was inevitable. So he needed to get hurt but also shouldn't let Haruka feel sad.
