People need to figure out that the dominant social patterns (the "everybody's doing it" concepts) are ALL geared toward hurting society. Drugs, divorce, casual sex, homosexuality, porn, whatever. Civilization is under assault and saying "tish, tish it's always been this way" is a good way to show people that you've bought into the lie.
Freepmail wagglebee to subscribe or unsubscribe from the moral absolutes ping list.
FreeRepublic moral absolutes keyword search
ClearCase_guy's comments are right on target.
And there are many reasons why over history, sex has been restricted to marriage. Not that everyone followed this standard - but it was always the standard; leaving out various barbarian and pagan cultures. Stable family life with sex restriced to marriage is the basic foundation of civilized human existence.