First she would try to kill him, but failing this give him food and her body, breast-feed him back to a state of childishness and even, perhaps, feel affection for him. Then, the moment he was asleep, cut his throat. The synopsis of the ideal marriage.
Because that’s what unfaithfulness is, isn’t it? A cancer that’s always there in the back of your mind, eating away at the foundations of the relationship. It’s happened once, it could happen again, so you’re always looking for telltale signs or symptoms to show that it’s reappeared...