Suna didn't expect that his position as the recipient of your affection would be threatened by the cat he found a few days ago on the street. He knows he shouldn't be jealous of cats, but he can't help but feel annoyed, especially if you keep petting and being with the damn cat all the time.

He doesn't regret giving the cat to you. It's just that you seem to like the cat more than him and he can't do anything about it.

"I feel left out." he protested. Put on a sullen face, feeling ignored. Only he can receive your affection,his claim.