Lady, EVOLVED 
somebody told me « I literally started taking notes on your comment; it's one of the most informative ones I've seen on the site » on AO3 and this was my reply
honestly it wasn’t that great of a comment but i do know how to write a sex
it did have the great line « as a writer you only have so many avenues for fucking your reader and sentence structure can be one of the more visceral » and wow do i wish more authors understood this
trying to write a smut without thinking about sentence structure is like trying to film a porn without thinking about camera angles