So far as breaches of the prohibitions and laws of marriage go, to me it seems they are to be tolerated by us in others just in the measure that, within the limits set by discretion, they are frank and truthful and animated by spontaneous passion and pervaded by the quality of beauty. I hate the vulgar sexual intriguer, man or woman, and the smart and shallow atmosphere of unloving lust and vanity about the type as I hate few kinds of human life; I would as lief have a polecat in my home as this sort of person; and every sort of prostitute except the victim of utter necessity I despise, even though marriage be the fee. But honest lovers should be I think a charge and pleasure for us. We must judge each pair as we can.

One thing renders a sexual relationship incurably offensive to others and altogether wrong, and that is cruelty. But who can define cruelty? How far is the leaving of a third person to count as cruelty? There again I hesitate to judge. To love and not be loved is a fate for which it seems no one can be blamed; to lose love and to change one’s loving belongs to a subtle interplay beyond analysis or control, but to be deceived or mocked or deliberately robbed of love, that at any rate is an abominable wrong.

In all these matters I perceive a general rule is in itself a possible instrument of cruelty. I set down what I can in the way of general principles, but it all leaves off far short of the point of application. Every case among those we know I think we moderns mus............