Lytton Strachey

The old interests of aristocracy - the romance of action, the exalted passions of chivalry and war - faded into the background, and their place was taken by the refined and intimate pursuits of peace and civilization.

Every society in every period does or doesn't talk about certain topics. We don't discuss money much; it's almost certain that most people don't know how much their colleagues earn. The Victorians, in contrast, were very happy to discuss money. They weren't, however, happy to discuss sex.