The intense feelings and impulses of the mother and the baby, triggered by the breastfeeding, are reviewed in this article. The mot­her has to acquire a double sided role during this process of nursing: on one hand she will fulfill the needs of the baby, and on the other, she will arouse the awakening of the impulsive processes. While assu­ming this flexible role, the man in her fantasies may become a shield against the stimulation of her own eroticism