You have probably been hearing these words from your mother for years. You probably even say them to your own kids if you are a parent. They are about as common-sensible as basic hygiene and car tune-ups. Two simple words to improve your relationship: Be nice!
I remember many years ago, finishing up a particularly heated therapy session with a couple. My clients were getting ready to head out the door when the husband turned to me and said, "Can you give me a few words to keep in mind this coming week?" I said, "You bet I can... Be nice!"