The answer is "building Love Maps".
The rule of building Love Maps is just this, knowing the easily overlooked details about your accomplice's life makes a solid establishment for your companionship and closeness.
Dr. John Gottman has discovered that sincerely insightful couples are personally comfortable with each other's universes. He calls this having a lavishly point by point Love Map – his term for that piece of your cerebrum where you store all the applicable data about your accomplice's life.