How to argue, fight (safe and healthy) with your partner, spouse

There's a misnomer in parenting intelligentsia that mom and dad should never argue around the kids. This myth is not only unrealistic and unfair, it's unhealthy. Disagreements are normal. Kids need to see their parents squabble to learn communication and interaction skills. Obviously, there are cleaner ways to fight, but even messy battles provide learning opportunities. Here are some healthy "fight club" rules for parents.  Healthy 'fight club' rules for parents