1) Maintain open and honest communication. 2) Show appreciation and gratitude regularly. 3) Respect each other's individuality. 4) Keep the romance alive with date nights and surprises. 5) Support each other's goals and dreams. 6) Practice forgiveness and let go of small grievances. 7) Maintain physical and emotional intimacy. 8) Face challenges as a team. 9) Continually work on self-improvement. 10) Create shared experiences and memories.