What do you do to "send a message" to your S/O that you are right and they are wrong?

You have had an epic “disagreement” with your S/O over one thing or another and they are more stubborn than a mule and simply refuse to see your side of things…so much so you are now steaming mad! Short of physical violence, sleeping on the couch, or poking them with a stick, what are some of the more creative ways have my fellow jellies have sent “messages” to their S/O on how wrong they are and how right you are?