There is no sin that you can do that is private, no matter how secretly it was committed. Every sin you do afflicts the body of Christ and mankind generally.
We are corporate whether we want to be or not. What we do affects everyone else—it flows to all those around us.
For the unbelieving husband has been sanctified through his wife, and the unbelieving wife has been sanctified through her believing husband. Otherwise your children would be unclean, but as it is, they are holy.
1 Corinthians 7:14
Here’s the picture: the father is one window pane and the mother is another. The light of God shines down through the two panes to the children. If the parents’ lives are filled with smut, sin, and trouble, very little light comes through to the children. But if the parents’ lives are cleansed, light shines clearly through onto the children. As the parents learn to live in the Holy Spirit, their lives begin to transform, and their children’s lives change without the parents having to say a word.
A pastor falls into adultery. Soon an epidemic of sexual problems—adultery and fornication—spreads throughout the church. As a pastor with the church as his flock, the light shone through his window pane. It had a traumatic effect on the children of God in the church.
We don’t like to remember cause and effect. And we don’t think corporately. This should become a part of our repentance—it is a part when we realize that what we do affects another person.