The amount of time spent in therapy depends on the needs of the client and the client’s willingness to follow the recommendations of the therapist client’s personality as determined during intake client’s personal goals therapist–client relationship

The answer in the space provided is the client's personal goals. It is because the time that is being spent on the therapy is used with the clients needs in which he or she will tell all his or her problem to the therapist and the client's personal goals in which it will discuss as to how or in what way should he or she like the therapy to lead on. It is the two factors needed in the therapy in order to help the client with his or her problems.

Iwould say being around others who are not drug free is the wrong step because your peers are likely to influence any new or past habits