This chapter considers the function of supervision in the varied journeyings of therapeutic relationships. It focuses on psychotherapy with couples, although a great deal of what it explores is applicable to supervision in general. Co-therapy, like any relationship between two people, may be a partnership. Partnership does not necessarily imply equality of status, or level of experience or even maturity but it does demand equality of commitment: commitment to the task and of working with the consequences of one's actions in relation to that task. Some grief therapy, in relation to the abortion, and which included Mark, was engaged in. The couple would fight bitterly over these differences, pushing each other into extreme despair in which one or both would indicate that suicide was the better option. The reflection process unfolding in the 'dialogue in continuous interaction' between the supervisor and supervisee uncovers a hidden emotional experience, often the very opposite of that consciously communicated by the couple in therapy.