With “Boyhood” (2014), it was all about mankind living through an order of experiences and stages; with this film it is all about what is said and not unsaid.
Before this, Jesse and Celine had room for silences, to opt out of saying something hurtful, resourcing themselves to something more damaging: the sound of silence. Instead, here they’re aware of their power and influence within their relationship, and there is a sense of compromise that they can’t escape. They recognize the heavy aspect of love that plays a part in their relationship, not admitting it would be defacing their love and the constructing aspect of the length of their relationship.
The resounding thing here is to show how powerful dialogue is through conversation; perhaps it is the most powerful tool for knowledge and understanding all sort of things in the universe that work on our level.