…And while both wives and husbands are responsible for the debacle it is husbands who have done the most dam­age, and it is they who can, if they will, do the most good. If the train doesn’t move, repair the locomotive. Don’t let the cars sit around blaming themselves for not being engines. Above all, don’t let them try to act as if they were. For the cars have their own function, they are what the train is really about. They are what the engine is for. All the space in a husband is supposed to be given over to providing traction; it is the wife’s capacity for freight that makes the trip worthwhile…

—Robert Capon, Bed and Board: Plain Talk About Marriage