The initial central figure is the attachment primary caregiver (mother), but during the development, age group(peers) and subsequently romantic partner become central figure of attachment to the person and directs attachment behaviors. Theoretically, the working model influence a person's expectations, emotions, defenses, and relational behavior in all close relationships and empirical evidence from longitudinal studies have led researchers to suspect that the effects of childhood attachment relationships extend into adulthood, where they can be seen in the domains of parenting and close peer relationships, including romantic relationships