I like that they’ve moved past the premise of the series (married couple can’t manage to have sex) without losing what the series is. It actually feels like the series has evolved a bit (at least from my original take that it was just about two people unsuccessfully trying to do the deed). The series as a whole feels like its just about their inexperience in general now (or maybe it always has been and the whole sex thing was just a minor plot point/example to drag in readers...); they’ve finally done the deed, but now have to find the balance between satisfying themselves and their partners, as well as keeping up with other responsibilities (work, etc). I like it; at the least it avoids the issue a lot of series have of not knowing how to resolve the premise without losing what the series is about.