After talking with Ayane and Daichi, Yosho was noticing that he was jealous of Ayane getting along with Kurokawa, he had to fight his desire to monopolize Kurokawa, and try to keep talking to her so as not to reveal his feelings for her, to her, he shocked himself when he realised what he was starting to feel towards her.
そうだな、他のやつと仲良くなったら飯が食えなくなってしまうかもしれない……なんて理由付けもありやで