The answer is oral; weaning. In the primary phase of personality development, the libido is focused in a child's mouth. It gets much fulfillment from putting a wide range of things in its mouth to fulfill the drive, and along these lines its id requests. Examples are sucking, gnawing, and breastfeeding. According to Freud, the conflict that is experienced in this stage is weaning. This means the mother doesn't use breastfeed anymore, the baby will then drink from a cup.
