I'd seen it, read the book, so have you quite likely. I had forgotten so much, it all just kept pouring back and new revelation as well; I finally put 2 + 2 together for going to the mattresses.
I had totally forgotten the "thunderbolt" in Sicily. That is what happened to me, that was a very long time ago and I am still married.
Masterpiece of a movie, there is most certainly room on my movie shelf. I guess I will get around to watching II and III, they came as a set.