An impression of `knowing' this person, then furthers the creation of a strong bond. The attachment process is characterized by the seeking and keeping of closeness; the reciprocity of verbal and non-verbal exchanges as well as feelings that are generally positive. It is the affective component of the relationship between parents and their infant that develops gradually; it follows a curve in continuous revolution with the field of affectivity between
them constantly enlarging. The pleasure and synchrony in the interaction serve as catalysts for further exploration of the relationship and its evolution toward a durable attachment.