Nevertheless he that stands steadfast in his heart, having no necessity, but has power over his own will, and has so decreed in his heart that he will keep her his virgin, does well.
Read Chapter 7
John Chrysostom
AD 407
The evil is not in the cohabitation but in the impediment to purity in the life.
It is clear from this that someone who has been overcome by apparent impropriety, even if married, is not yet firmly established in the work of the Lord. .