Did you ever notice that when people take issue with Catholic teaching, rarely does it concern the Hypostatic Union, the Vatican’s guidelines on road rage, or the Vatican Conference on Extraterrestrial Life? No, those things with which they take issue bear directly or vicariously on their sexual lives — homosexuality, same-sex “marriage,” premarital sex, adultery, contraception, masturbation, population control, abortion, divorce, remarriage, in vitro fertilization, etc. Remember Our Lord’s words on this: "What comes out of a man is what defiles a man. For from within, out of the heart of man, come evil thoughts, fornication, theft, murder, adultery, coveting, wickedness, deceit, licentiousness, envy, slander, pride, foolishness. All these evil things come from within, and they defile a man." Recall too that, as Fr. Charles Curran has reminded us, dissent from Humanae Vitae “was paradigmatic of the dissent in all specific moral questions.” My advice to those who still dou...