Many people contemplate suicide, but often don't mean it. In some cases, people actually undergo number of events that pressure the person to take suicide as an alternate option, rather than bearing such pain. As a friend, or at least as a human, one must take some sort of measure to help them.
The thing one must to do is to talk to them. The first thing is to ask whether there is something wrong, and if it can be helped. If they say no, but it seems like there is a proble...