This document discusses PTSD and its effects. It introduces a veteran named Jimmy who witnessed his friend's death in the Marines and continues to be haunted by images and memories from his service. PTSD disrupts people's lives and work. The document notes that traumatic events can cause PTSD when one's life is endangered and they feel a lack of control. Seeking treatment and social support from loved ones who listen without judgment can help. Finding the right therapist is important for coping strategies and living a productive life.