Our cat lost his hearing :(

👽

I've suspected for a while. We did all the home tests and he definitely can't hear. I know he used to be able to :/ he's only 4. Not sure how it happened, could've been an infection maybe. But he's never acted weird or sick. We've taken him to the vet for worms etc but never had any other suspicions about something being wrong. He's a happy cat, just can't hear :/ poor guy.