Children growing up in alcoholic or drug abusive homes seldom learn the combination of roles which mold healthy personalities. Instead, they become locked into roles based on their perception of what they need to do to survive and to bring some stability to their lives. Children will assume roles which make life easier and less painful for them.
Claudia Black maintains the unique ability to illuminate and explain problematic and secret areas for those raised in dysfunctional families.
This video is a classic in the addictions field, addressing the roles of being:
The Responsible One - this child assumes a great deal of responsibility for himself/herself and the other family members.