Heck, he didnt even have to add the sex scenes, Rand had them in there herself, and a considerably steamier than any movie had. Of course you have to consider the time period. If Rand were alive today, I could see her as the female Austin Powers, "I'm randy, baybeeee!!!"...JFK
No kidding. Dagny(rand) had no problem dropping Francisco and Hank like hot potatoes when wily Galt showed up!