d60d6605_co_and_Northwestern_Washington_chotherapy__at_www_Adlerian_us_FAMILY_SITUATION
[POSITION] TWIN [CHILD'S CHARACTERISTICS] Can have identity problems. Stronger one may become the leader. [FAMILY SITUATION] 
One is usually stronger or more active. Parents may see one as the older.
Adlerian Overview of Birth Order Characteristics - Alfred Adler Institutes of San Francisco and Northwestern Washington
FAMILY SITUATION