I mean, yea it has some pretty explicit sex scenes...but it makes the movie raw..and real. Unlike porn, where the main point is to get off, you watch this movie and it doesn't do that for you..instead, you are truly emmersed in the emotional aspects rather than the physical. That's why its so brilliant in my opinion, that the director actually manages to pull that off.
I saw it yesterday, and I gotta say, it's really hard to stomach some of the content. While it's a good movie, and it's very strange, new, and raw. The sex scenes were too much. I mean, is a seven minute man on man dick sucking really necessary? It's just explicit for the sake of being explicit.