Lacan on fantasy (1 of 9) : A thought experiment

We move to an Other scene to discuss fantasy, and pose a thought experiment. You and your dog Jeffrey visit an exhibition entitled ’Sex’, and find three types of artifact: 1) those that do absolutely nothing for you, 2) those that you find enticing, alluring, and, 3) those that are too much, potentially traumatic. Fantasy, approached from a Lacanian perspective, involves the management - or arrangement - of jouissance. But why are so many sexual fantasies so stereotypical in nature?