I... [ Zenitsu looks down at his own hands, getting stuck on words. He knows he should reconcile with Tanjiro if he wants to keep at least being friends with the other. He takes this moment to finish calming down. ]

...I still trust Tanjiro. I just don't think Tanjiro can trust me again after hurting him, and I think that hurts even more.

[ That's still a little too vague, Zenitsu realizes, so he keeps going. ]

I yelled at him about missing his family. I thought I knew that's not something anyone should yell at him about but I still did. That's not something forgivable, especially for Tanjiro.