Answer:
The most important concept to remember is that you are responsible for your own safety and the safety of others. Most safety practices are common sense. Unfortunately, they can be forgotten or overlooked unless you make safe practices a habit or an instinct.
Answer:
I would personally say that "one" would probably give up on life if there is no family(relitives), or if "one" is not financially healthy. Or suffering in types of ways such as, "no legs or arms", so "one" would say "there is no point in life now".
Hope i helped!