Humans are herd animals. From what I know there is consensus among developmental psychologists for attachment theory. A theory that roughly states that the care

Humans are herd animals. From what I know there is consensus among developmental psychologists for attachment theory. A theory that roughly states that the caregiver or caregivers a child has from 6 months of age to two years old is very important and forms how the child will form relationships with other humans during the rest of their life. It does not need to be a single caregiver nor that the caregiver is the mother. Edit: Historically it has not been uncommon for the mother to die while giving birth. So it has always been important for us to accept other caregivers than our birth mothers.