His disregard for his own wellbeing becomes the worst it ever has been as well, neglecting to look after his basic needs like sleeping and eating. Katsuki has noted this behavior to be very similar to how All Might was when he was the Symbol of Peace. This increasingly driven, serious side of him has even caused civilians to note that he doesn't look like a hero. After his friends from U.A. get through to him and take him back in, these traits seem to have diminished.