One of the most painful sex scenes I've ever read was in one of Asimov's books. It was two scientist sorts trying to talk clinically about their attraction to e

One of the most painful sex scenes I've ever read was in one of Asimov's books. It was two scientist sorts trying to talk clinically about their attraction to each other... I think it was in one of the Empire novels. I forget if it was Empire or Robot because I followed one of those reading guides that ties them all together.