Imagine having to live most of one’s adult life with a hard-as-nails, relentless social-climber, who diets to the point of starvation, parties as if there is no tomorrow, and depends on thick layers of make-up, expensive clothes and jewels to look remotely attractive.

It’s enough to drive any man up the wall. The Duke of Windsor just about managed it because of his sexual orientation, and Wallis Simpson’s proficiency in the sex tricks she learnt in China’s sing-song houses.

Oh, that would be telling.