The Water Breathing Hashira's attitude was serene. He walked showed that, although he was a respectful person and cared for others, he had a serious and hard character, almost ruthless to time to so critically correct his companions.

He was critical of everyone for a good reason, you deduced, confirmed by the rumors about him: Sabito lost his friend Giyū in the test to become a demon slayer.

"You must be careful with your defense."