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If the shift from treating the individual toward treating the family constituted an epistemic revolution, the return to the individual is taking place with much less noise. Even so, the individual being treated by systemic therapy remains an individual within a relational context. Psychotherapy is beginning to take into account the principal instrument of relationships: emotions, without which there is no cognition. This realization has lately been facilitated by the advances in neuroscience and studies on relationships formed early in life. Concepts such as emotional schema and emotional communication are central to understanding the process of change. Despite the difficulties encountered in taking emotion into account, it remains an essential element in relationships and in all therapy. Therapists can no longer ignore emotions; neither those of their patients, nor their own.