Only Jesus through the cross can remedy the sin issue in each of our lives. And He was and is the willing sacrifice on our account.
At the center of the Christian faith is the cross of Jesus which from the very beginning the cross has been depicted as a sacrifice.
Anything that you can’t live without outside of Christ and His gospel is an idol.
Paul is offering wisdom for living, points to ponder when we need to make life choices, choices as important as marriage, for instance, considering the advantages of your current situation before making a change.
Contentment or discontentment touches every area of life, society is constantly telling us never to be satisfied, but contentment is a key marker of Christian maturity.
The bible forbids intimate attachment with non-believers.