When one is living inside the history themselves, they did not know how big of an impact their decision, their choice would be for the future.
Azief then shakes his head, throwing the thought about the cube from his mind. Instead he once again thinks about tomorrow
Tomorrow would be the sixth day. That is the limit that Jean could hold that portal time fluctuation before it returns back to its original flow.
There are all kinds of feelings when he thought about tomorrow. Since he had no certainty whether he could win, there is this feeling that he is walking to his death
In the past he mighty gets scared.
But after countless of time he brushed with death, he felt numb to it.
It is not that he had become fearless of death. It is just that he is accustomed to it. It is not that he did not appreciate his life, it is only that, he knew he could not live with himself if he did not try to save Katarina