网页Teen Matric Relapse Prevention. Jeanne L. Obert, M.S.M., L.M.F.T., Paul Brethen, M.A., L.M.F.T., and Michael J. McCann, M.A. When Did You. START USING? THINK BACK TO THE FIRST TIME that you used alcohol and/or other drugs. Answer the following questions. 1. Who introduced you to using?