John Holmes

Every genuine boy is a rebel and an anarch. If he were allowed to develop according to his own instincts, his own inclinations, society would undergo such a radical transformation as to make the adult revolutionary cower and cringe.

Perhaps it should be obvious: Adultery is a social threat that arouses raw anger and fear, which the bellicose then need to discharge rather than merely feel, traditionally on the philandering wife or the female home-wrecker.