The lessons an intimacy coordinator is teaching the film industry about real sex apply off screen and on.

Inflation has driven up costs, rogering the developers’ sums. Banks are too slow to lend. The courts seem eager to quash planning permissions, often for flimsy reasons.

There are certain books, after all, on their shelves, and we wouldn’t want any of the strange ideas in them to suddenly leap up off the page and give the unsuspecting imagination a good old-fashioned ...