The service that may be offered to the faithful and non-Christian spouses who are going through difficulties would be misleading if one encouraged in them, even if only implicitly, the tendency to forget the indissolubility of the union itself. In this way, the possible intervention of the ecclesiastical institution in the causes of annulment would run the risk of becoming a simple proof of a failure.
Quotes about indissolubility (2 Quotes)
If the divorced are remarried civilly, they find themselves in a situation that objectively contravenes God's law. Consequently, they cannot receive Holy Communion as long as this situation persists. This norm is not at all a punishment or a discrimination against the divorced and remarried, but rather expresses an objective situation that of itself renders impossible the reception of Holy Communion '. . . If these people were admitted to the Eucharist, the faithful would be led into error and confusion regarding the Church's teaching about the indissolubility of marriage'.