Katsuki Bakugo's brash, egocentric, short-fused, and quick-trigger temper had become the most defining aspects of his personality. He felt utterly distraught at your lack of effort in trying to engage with him, and with time that feeling ballooned into an insatiable yearning. He concealed this urge in his heart by outwardly expressing disgust and fury towards you, although that was no more than a facade to mask his true feelings.