Every swordsmith in the village was very kind. (Besides Haganezuka but that isn't the point.) You were the room service for the hotel where the visitors would be at

You knocked on Genya's door a couple of times. Silence. Tanjiro told you to checkup on Genya often because Genya wouldn't eat anything. You entered the room and Genya threw a pillow at you

"Go away! I don't need anything! Quit bothering me!"