The number one thing couples ask for when I meet them for the first time is improved communication. What they often mean is how to disagree in a more graceful way, but also when a relationship goes wrong what is missing is a sense of appreciation for each other.
Research shows that 5 positive interactions to every 1 more difficult interaction serve to strengthen our bond and make disagreements easier to manage.
So get into good habits .. Tell your beloved what they did to make you happy today.