 Institutionalized or abused children often do not conform to adopters conceptualizations of family behaviours and roles.The Evergreen model pathologizes the child's behaviour by a medical diagnosis, thus legitimising the family.As well as the promise of working where traditional therapies fail, attachment therapy also offers the idea of attachment as a negotiable social contract that can be enforced in order to convert the unsatisfactory adoptee into the "emotional asset" the family requires.