People are preprogrammed that characters die in finales, so that was something I hadn’t really contemplated to the same degree.
I thought that was the big kind of twist or misdirect: This isn’t about Jack’s death; this is about something deeper and darker, which is: these two are on different pages…
I think that we thought — and I still continue to think — that the big shock with the finale to people was going to be, ‘Oh my god, this marriage is suffering!
Kate feels very responsible for Jack’s death, and that [was] explored in this season… but you don’t want to use up your favor in that way.