Recently, a massacre was avoided. For example, the school I attended a few months ago was about to have a shooting. Consequently, when me and my friends heard about it we talked to the counselor to find a solution before anything could happen. The effect was that they prevented anything was planning and helped him. The result was that nobody got hurt and in school they started having more security. To conclude sometimes is better to tell someone what you hear from others so you can prevent bad situations.
I helped a friend one time and saved his life. For instance,