The adolescent therapist needs to honor a theory of change, proposed by the adolescent. Resolution of a problem implies a change will happen. Throughout development negotiation between various selves can be used in a narrative stance to reach a compromise. A story is a tale that makes the reader want to find out what happens next. Not only curiosity but interests and expectations are aroused as an appetite is engaged.
All theories including narrative approaches are lenses.
Having more than one lens avoids problems associated with trying to use one lens to view a family or a person. Multiple perspectives follow from the lens in use.