She definitely looks bored shitless after they finish the love humping. It's very obvious and I think we are supposed to see it.
And speaking of expressions..
Why is this guy sleeping so peacefully with a little smile on his face when his wife has betrayed him, caused the death of his co-husband, planned for him to be expendable and now he's marooned in the desert and possibly gonna die?
I keep hearing the Who: "I'm free, yeah I'm freeeeee..."