Not every disagreement comes to an easy resolution, but after fighting in front of your kids, you'll become much more aware of the way you solve your issues. Ask yourself: what behavior would you like your child to emulate when they have disagreements with their siblings, friends, or partners? Most of us would probably agree that solving the issue in some manner is the best outcome, so if you'd like them to be able to come to a resolution in their own arguments, model that for them and be sure to always reach that point with your partner.
A 2009 study by researchers at the University of Rochester and Notre Dame that looked at children ages 5 to 7 found that "the ones whose parents argued constructively felt more emotionally safe," and over the next three years, those kids were friendlier and "showed greater empathy and concern for others."
And if you really can't agree on something with your child's other parent, model being able to agree to disagree, then put the disagreement to rest rather than continuing to bring it up if you know you'll never come to an agreement on the topic.
