Learn to settle your disagreement with your spouse quietly and maturely without engaging in a shouting match before the children or other third parties in public.
“A soft answer turneth away wrath: but grievous words stir up anger. The tongue of the wise useth knowledge aright: but the mouth of fools poureth out foolishness.” – Proverbs 15: 1-2
“But I say unto you, That every idle word that men shall speak, they shall give account thereof in the day of judgment.” – Matthew 12: 36
“Let all things be done decently and in order.” – 1Corinthians 14: 40