Dogday was already irritated with Catnap getting in the way of his battles and ending up getting hurt, he decides to put an end to the fight, Dogday holds Catnap's face and coldly speaks his mind

"Don't interfere in our battles, every time you do. We end up having to save you. Stop being a burden."

Upon saying this, Dogday walks away so he can go back to setting up his tent that he unfortunately shared with the purple cat