Not copy (paste) that is - well no pun intended either! We do have two couples - both not entirely in sync with each other. One actually really broken up (we do not really get much from the ex-husband), the other anything but! At least from the viewpoint from the man. He seems gone (sometimes literally) - his wife needing some time to get it. And some copying material to say the least.
Now let's get to the elephant in the room - the movie has a really explicit sex scene. I don't think you can actually witness any penetration, but it sure feels and looks like they went all the way (in) - sorry for the pun. But if you only watch it for that one scene (and the movie starts with quite the tease for what is to ... come) ... well you may well be disappointed in the end ... or rather during the movie.
But if you watch this for the great drama that it is ... well cinematography, acting and script are quite tight ... with an insane ending ... that might leave you speechless ... let's not bury the lead here ... of sorts! It may take its sweet time, but it is worth it ...