[Atsushi could go into a whole speech about how he thinks. He has a flawed idea in his head that he can earn his place by doing good things. A burden he tried to shed, but this town keeps shoveling back on him.

But he’s tired. He’s been fighting all day and protecting the town, but he doesn’t feel like his burden has gotten any lighter. It’s frustrating to feel his own philosophy might be wrong, but be unable to change how he thinks.]

I can’t undo what I did. I can only do better moving forward.

... I need to go. The Fluid battery might run out soon and I can’t recharge it at home.

[He is indeed dodging the topic of his own issues.]