Since the 1960s, when partial female nudity first appeared in mainstream movies, the trend in bedroom/sex scenes has been to go from the chaste (nudity suggested but not really shown, i.e., we see the female lead's naked shoulders but her breasts under the bedsheets) to the "full monty," with the female star (sometimes by the use of a body double) is naked and the guy is usually mostly naked.

Now, of course, I'm not talking about porn movies where everything and anything goes, but things in Hollywood and elsewhere (England, Italy, France, Spain, etc) seem to indicate that if there are more realistic effects in war movies and such, then it stands to reason that erotic scenes should also push the envelope. There was that one movie with Chloe Savigny, for instance, where the actress did perform a sex act with the actor and not faked it; bad movie but that was a much talked about scene.

So, where do you stand on the issue of sex in mainstream (not porn) films? Is there too much of it? Not enough of it? What is really steamy, and what is beyond the pale?