I have extensively written and spoken on the subject of marriage. See, for example, the book, Real Love in Marriage.
Sometimes, however, it can be helpful to keep a simple list of guidelines that can easily be referenced for the sake of remembering what matters most in a marriage. Following are a few examples. They are stated in the first person because when you read them, you’ll be remembering what YOUR choices are, since you can control only your choices not those of your partner.