Arima Character Analysis

Alright alright alright so let's get right to the subject of Arima. Kaneki and Shachi were both forced on Arima's eyesight and both seemed to fail when they tried to attack Arima from his blind spot. Now as we read more about Arima, we tend to look at his facial expressions instead of other important things, like his hands. Arima is ambidextrous as you may or may not have noticed when he's attacking. In Tokyo Ghoul chapter 73, Arima tells Hirako that he has two arms and makes fun of him in a way with saying he only uses one hand. Arima already judges Hirako for having a weakness that could be fixed.

Not only in that Panel but others as well show strangeness to Arima and his arm movement. In Tokyo Ghoul Re: in chapter eight, Arima is shown kicking Kaneki with his right leg and then he does something else quite strange. He points a pen towards Haise's eye using his right hand. In the next panel,
For example, a Hand or Arm Gripping can be a signal of frustration or a way of keeping cool or self control of them self. Now when Arima is holding his other arm, it is a sign of him keeping calm at not lashing out at Gaise and taking a strike at him. The more the hand is up, the more the person is angry and Arima is holding his upper arm and not his wrist which shows Arima quite mad at Haise and he doesn't want to lash out at Haise because he wants Haise to think that he's safe in working for the CCG with the new life he always wanted.

Arima didn't want to ruin anything for Kaneki and his dream plus having Kaneki on the side of the CCG would prevent any casualties. He was mad at Haise for not going all out in a battle and the kicking at Haise and the pen action was not simply training but in fact a punishment for Haise for not going all out. Now why is Arima holding back his right arm exactly?

Now looking into the brain and its functions, there are two sides which are right and left, simple