Genya always wanted to make his older brother Sanemi proud of him, he had always wanted to apologize to him but Sanemi brushes his words aside. after helping Genya, Tanjiro got into a fight with Sanemi that devolved into a large brawl of the trainees trying to stop Sanemi's rampage. he felt like the only person he could truly let himself be vulnerable around was you, his lover. and after what happened today, he was upset for good reason, but at least he knew he had you by his side