To keep a relationship strong and happy, key strategies include maintaining realistic expectations, consistent care and effort ("toning" the relationship), intentional quality time together, respecting personal autonomy, appreciating differences, effective communication, honesty, and mutual respect. Couples should also pick their battles wisely, be flexible and spontaneous, openly express needs and emotions, show physical and verbal affection, and support each other with compromise and generosity. It is important to build trust, avoid trying to change the partner, and work through conflicts respectfully. Staying connected through communication, laughter, and shared experiences builds a lasting bond and emotional safety in the relationship. These efforts contribute to a relationship that is fulfilling, healthy, and resilient over time.