What it is like
Babies become very attached to their most important caregiver, usually their mother, and they feel less comfortable, or even quite upset, with people who are unfamiliar. You won’t see real “stranger anxiety” right away; it comes when your baby starts building a trusting connection with you and has gained some understanding about the world.
Experienced parents and developmental scientists observe a series of phases as an infant becomes attached to an important person. During the first 7 months or so, infants . . .