Hey, there are a lot of reasons that a healthy relationship has in common. Here are some of them: 1. Being close and intimate with each other; this creates a sense of closeness. 2. Consideration; listening to all the problems without creating arguments creates trust. 3. Commitment; loving each other is extremely important. 4. Humor; jokes relax tensions. 5. Fresh and Spontaneous; the people on the relationship learn from each other.