The study of it, as more particularly affecting the bond of marriage, will be found under the head of DIVORCE. It is seen to differ from fornication in that it supposes the marriage of one or both of the agents. Alphonsus Liguori , with most theologians, declares that even between lawful man and wife adultery is committed when their intercourse takes the form of sodomy (S. Among such peoples the wife is commonly reckoned as the property of her spouse, and adultery, therefore, is identified with theft.
The discussion of adultery may be ordered under three general divisions: I. Nor is it necessary that this marriage be already consummated; it need only be what theologians call matrimonium ratum. But it is theft of an aggravated kind, as the property which it would spoliate is more highly appraised than other chattels. Dire penalties are visited upon the offending wife by her wronged spouse; in many instances she is made to endure such a bodily mutilation as will, in the mind of the aggrieved husband, prevent her being thereafter a temptation to other men (Schoolcraft, Historical and Statistical Information Respecting the History, Condition and Prospects of the Indian Tribes of the United States, I, 236; V, 683, 684, 686; also H. Bancroft, The Native Races of the Pacific States of North America, I, 514).
Unfortunately, adultery is Truth in Television, as many broken hearts and broken families will testify.
Bisexuals are portrayed as incapable of faithfulness or have merely informed sexuality, and men are more prone to having affairs than women (and often portrayed as The Unfair Sex too when it comes to cheating).
Two-timing, playing away from home, having a bit on the side, going behind your partner's back, adultery, infidelity...