Whole last week they remembered that day,looked like realization-how they messed up their life with that one rushed decision.
Yeah i hope they actually express the regret to each other and apologise to each other. The healing has to begin by being completely honest with each other. acknowledge their failings and move on and make a better future.
Elevator scene she said she understood him as wife,not as Kiara's mom but now all that looks cleared,at least between them. That others know or not how they suffered for her loss is less important. Is all about if they are able or not to forget and do things right this time.