When people think about what makes a relationship successful , their first instinct is to focus on the big things like communication, trust, commitment, honesty and shared values. But as a psychologist who studies couples, I've found that the happiest ones pay attention to the small moments that have a big impact every day. They create consistent rituals that help them stay connected, even when life gets busy. One of the most powerful is a Sunday reset. It's neither formal nor time-consuming,