so what does your spouse or significant other do that drives you crazy?
Mine (DH) has the awful habit of using the suction method to get soup or other liquid food from the spoon into his mouth. Then, because he is "inhaling" it, he starts choking (has slight swallowing problems anyway.) I have tried to demonstrate that you can use the spoon to actually PLACE the food within your mouth, but so far (30 years) it hasn't worked. He does tone it down a bit when we have company, though.