Moghaddam reflects about the important aspects of attachments which are fundamental to the child's life through his/ her life span : Social and Biological aspect. Attachment is extremely important in the social aspect of some one's life as the type of attachment an individual has with his/ her mother ( caregiver) can plays a major role in the infant present life and his future. it is social as it comes with the interaction of mother and child (more than one individual) and the environment play an important role in it. A secure attachment warranties his future relational bonds with the lover, even to find a person who van provide the person with a secure attachment is just highly dependent on the mentioned fact. On the other hand this kind of attachment or lack of it ( avoid ant or anxious attachment) has a biological fact as it leaves its heavy trace on cognition, what a person knows of himself will be reflected or have a strong impact on a part of the brain, it can also reduce a positive mood and cause a mood disorder, can cause more anxiety more anxiety means more Cortisol and less Serotenin and Dopamin and a lot of Hormonal and Enzymes dysfunction that can directly affect brain and the behavior in life span.