How do you know about negative thinking?

Today negative thinking is not new any more especially to young generation because everyone seem like to talk about it even sometime they don't really clear or might treat it as a funny to their friend.

Actually negative thinking is a kind of view a person might have to the world, country, group of people, communication, capability, etc. or even a love relationship. Some people used to know about positive thinking, which is an opposit meaning to what describe here (negative thinking).

Negative thinking can exist in a person from 0% to 100% and also depend on the tasks s/he involve as well, it quite depend on that person characteristic and tasks s/he involved. Some people might have negative feeling only for some specific tasks or issues while some might be negative for many tasks.

Negative person normally when face with issue they difficult to come up with solutions, and they can't solve the issue very well because negative blog them from thinking about solution.

Once they are negative they will develop more negative and that is quite dangerous because they will more hard to move back to positive. Everything will become black and everything will move the same way.