This document is a participant booklet used in a sexual assault prevention program focusing on information for male teenagers. These topics are covered in the activities: (1) sex role expectations; (2) assertiveness skills; (3) responding to disrespectful language; (4) sexual harassment; (5) differences between sexual behavior and sexual exploitation; (6) defining sexual assault; (7) evaluating and setting personal limits; (8) the shared responsibility of saying and hearing "no"; (9) when is it too late to say "no"; (10) hazing of younger teenagers by older teenagers; (11) sexual abuse of young males; (12) paying attention to instincts; (13) telling or not telling about problems; (14) accessing support services; and (15) supporting a friend who has disclosed victimization. (ABL)