Listening to Dr. Krust was like witnessing a phantasmagoria of geological phenomena, but for all of his vivid scientific fascinations, the main object of his cathexis was the diapir, for which he felt an almost juvenile enthusiasm: in speaking about domes or mushrooms of mobile material forced into overlying rock, he would trundle, even glide, where otherwise he tended to plod.

All of students – especially the men -- had quite a cathexis with Miss Rox, the sexy, stylish geology lecturer, and Geology 101, so when Professor Emeritus Greystone -- overweight, whiskered, and clad in a moth-eaten baggy sweater – trundled into the room to discuss diapirs, there was a collective sigh and everyone hunkered down and prepared to be bored, but after an hour’s phantasmagoria of quickly changing PowerPoint slides and accompanying music, the whole class stood and applauded