In most cases, people have obey a universal inertia, which is a passive choice. People do not have more time, conditions, wisdom, knowledge to think and actively choose to survive.
This is not only a rare thing, but also a difficult thing, obeying the common inertia, once a problem, can be understood by others. But take the initiative to choose, often take a lot of courage to be responsible for yourself.
ZiKo's enlightenment