The emergence of the first relationship is fascinating and may be a prototype for all subsequent relationships. We infer relationship from interaction but the sum of interactions does not equal a relationships: we cannot observe relationships, but we can observe interactions (i. e. , how people are affectionate towards one another, or when someone smiles). Biological regulation (0 months: developmental task: to regularize the infant"s basic biological process and to harmonize them with parental requirements. Sleeping, eating, and using the washroom need to be regularized. Feeding and sleeping depend on both on infants requirements and the parents wants, and eventually these become harmonized. Often characterized by fixed action patterns (i. e. , child is not happy, baby cries, baby cries for 10 minutes straight then mom fights with dad and comes to pick up baby in the middle of night). The child develop how a meaning of how interactions work.