The decision to live apart has been made; now address duration, potential path toward restoration, and in the meantime what about support, where the children are to live, assets, etc.?
Including issues such as the care of aging parents, the distribution of an estate or other conflict between siblings, step-parents/children, or with friends or others in your community or church.
How does Matthew 18 work when the church itself is a party to the conflict? What about internal conflict between leaders, or members, or dealing with changes in ministry staff?