Originally Posted by After Shock Media

Cats typically do not like the scent of oranges. Can always try some orange peels, oranges, or just orange or other citrus type oils.

Odd you have something wrong pissing you off every other day in your life.
You seemed to also have known the cat was eating your couch already.

Perhaps you should move the couch so that the cat can not get behind it. If it is a inside cat I would think it needs some more toys, a scratching post of its own, or well take the fucking front claws out (I wouldnt but you can).