What has helped develop greater harmony in your home?

There is a couplet which states, "the family that prays together stays together". This is a true statement. My wife and I do our best to pray together both before we go to bed a night, and as we arise in the morning. My wife and I are not perfect, and when quarrels do arise, we have found that prayer is the solution. If we are mad at each other, the moment we pray, the Spirit of the Lord comes to us, and we realize anew that we were both wrong (because it takes two to argue), and must forgive one another as Christ hath forgiven us.

Also, another way in which harmony comes into our home is the reading of Scripture every night for at least 5 minutes. We are currently in the Book of Mormon, in Alma. I love reading the Book of Mormon with my wife, because I receive insight I would not have received by reading alone. The Book of Mormon brings harmony into our relationship because it is "the most correct of any book on Earth, and a man would get nearer to God by abiding by it's precepts, than by any other book", as Joseph Smith taught.