Once they are married, then their physical conjugal union becomes the conjugal act which, when realised in a human way, gives true and unique expression to their spousal relationship. (faith.org.uk)
Without limiting this question, does section 293 require that the polygamy or conjugal union in question involved a minor, or occurred in a context of dependence, exploitation, abuse of authority, a gross imbalance of power, or undue influence? (slaw.ca)
In a real sense, the task facing married couples is purification of sensual appetite, so that its satisfaction is sought not mainly for concupiscent self - centeredness but as an accompaniment to the donation of self that must underlie every true conjugal union. (faith.org.uk)