For anyone who eats and drinks without recognizing the body of the Lord eats and drinks judgment on himself. That is why many among you are weak and sick, and a number of you have fallen asleep. But if we judged ourselves, we would not come under judgment. These verses are met to be a warning to you of the absolute seriousness of making the proper choices. Yes, we are talking about a life and death matter for either or both of the husband and wife in a marriage relationship.
Divorce is never an option for anyone under any circumstances.
So guard yourself in your spirit, and do not break faith. But at the beginning of creation God 'made them male and female. So they are no longer two, but one. Therefore what God has joined together, let man not separate. And if she divorces her husband and marries another man, she commits adultery.