The prequel movies in general felt too long and tedious to me. It took me three attempts to manage to get to Sith's end, and I still missed a few seconds here and there.

I wouldn't expect Trystane to react too lightly either?

To answer your question: as much as I like the show, I won't be watching a single more minute of it until I've read The Winds of Winter (at the very least). I won't allow my reading to be further spoiled or, more precisely, I don't want to deal with the possibility that every new scene could be a spoiler, and be left…

Thank you.

"That's a good point (about the opening heart attack scene being a possible flash-forward from a future episode).  (…)  for all we know, Don (if he does suffer a heart attack) could be (…) looking up at "Dr. Cuckold" trying to save his life."
Isn't this even foreshadowed when Don says "you come by my office, I get to…