In the home, there is a high degree of accountability before God. In the last chapter, husbands and wives parallel Christ and the hcurch in love and submission. Children obey their parents "in the Lord." Servants submit. . . "as to Christ." Masters be careful how you treat slaves know you and they have a "master in heaven." More is at stake in our closest relationships than simply what we think about each other. Jesus is an audience in our homes.
The reality of our spiritual warfare is easy to underestimate. We war against rulers & authorities, against world powers of this darkness(lit.) and spiritual wickedness in heavenly places. Not a pretty picture. I need all the protection I can find. Thankfully God provides all I need. The list of armor begins with truth and ends with God's word -- no coincidence, since the devil is the father of lies (John 8:44).