Here is another reason why reverting back to just before that Lovestruck patch is the best outcome. I noticed that in some of my screenshots, before the Lovestruck patch, there are some incidents where the eyes are actually not supposed to close all the way. I noticed in a romantic image that my sim had her eyes mostly closed, but not all the way. This was how it was supposed to be. You know, to reflect on that luvy feeling where you're eyes are like heavy but not closed.
If they are fixing individual animation, how are they gonna know which animations were meant to have their eyes closed all the way and which animation weren't meant to have their eyes closed?
Really, the best thing to do is revert back, and then implement all the new expansion pack stuff after that without messing up the eyes again.
Edit: Also another reason why editing individual animations is a bad idea is because you are probably editing them work with default eye settings which his why when editing eyes with custom shaped it messed them up despite looking like they were fixed for some animations. That undermines the whole purpose of the editing features in CAS.