These girls look turned on, but as much by one another as by the chichi suspender belts they are wearing - and I expect rather a lot of young men have been inspired to dash into Versace to buy a sexy little number for their girlfriend as a result. Never before, I fear, can a mere reclining seat have seemed so extraordinarily exciting. The sad truth is that for many men, the idea of watching two women engaged in sexual activity with one another is the ultimate fantasy. It would, of course, be nice to be invited to join in - but, failing that, to watch is enough. It is, she says, a numbers thing.
Men are an acquisitive bunch.
In 1943, Larkin told his friend Kingsley Amis that he had finished Trouble at Willow Gables, but that he was unable to send it to him. He must be blushing crimson in his grave. Still, as he peers down at us from his bunk bed in the great dorm in the sky, he should comfort himself with the knowledge that his youthful scribblings will no doubt bring a lot of happiness to many thousands of male readers. The rest of us, meanwhile, had better start hiding our hairbrushes. Rachel Cooke is deputy editor of Nova magazine.