Couples with scores in this range often report overall satisfaction with the quality of their relationship. Although miscommunications and arguments can occur, they are effectively handled and both partners feel understood and supported. Although couples counseling may not be thought of as necessary for couples in this score range, working with a therapist can help the couple to elevate the quality and depth of their relationship and discover ways of understanding and loving each other more deeply.
Source: Funk, J.L., & Rogge, R.D. (2007). Testing the ruler with item response theory: increasing precision of measurement for relationship satisfaction with the couples satisfaction index. Journal of Family Psychology, 21, 572-583.