The reason is that these two are additional aggravations of adultery. For there are mild, serious and very serious kinds of adultery, each of which carries weight depending on the extent to which it opposes and so destroys conjugial love. It will be seen in the following chapters on these subjects that the desire for variety and for deflowering virgins, if reinforced by actual experiences, lay waste conjugial love and drown it as if in the depths of the sea.