2. Be Mature, Even If Your Spouse Isn’t In every relationship, one person is more mature than the other. And it’s either going to be you or it’s going to be your partner. Psychologist and marriage coach Jack Ito PhD, says: “If you are the more mature one, don’t let your spouse’s lack of maturity bring you down. Let your maturity help to bring your partner up.” And if you were wrong about something, admit it.