The solution to unhealthy competition in marriage is to live out the pattern of Christ and the church.
Once Jesus ascended on high, he sent the Father's promised Spirit to light up the church and empower her for her mission.
God's presence in the early church produced awesome acts of community giving and healing but also an awesome judgment against hypocrisy and deception.
There is only one true and living God who can rescue humans from serving our handmade gods.