149. Chastity in marriage does not come about through renunciation of licentious relationships unless this is done in accordance with religion. The reason is that a person without religion does not become spiritual, but remains natural. And if a natural person renounces licentious relationships, still his spirit does not renounce them. Consequently, even though it seems to him that by renouncing them he is chaste, nevertheless unchasteness still lies hidden within, like putrefaction in a wound only superficially healed. As seen above in no. 130, conjugial love depends on the state of the church in a person. More on this subject may be seen in the exposition of point (11) which follows below.