According to Susan Krauss Whitbourne's article from Phsycology Today, Many couples begin therapy too late in their relationship. If one, or both partners in the relationship have already called quits, then you have waited to long. It is important to begin counceling earlier on in a relationship, rather than later. Here are some principals used in couples therapy:
Change relationship views
Changing behavior towards each other
Helping to express private feelings
Click here to read the full article by Susan Krauss Whitbourne PH.D at Psychology today.com.