What are the key way of thinking

System Thinking Skill

Explanation:

Standing in contrast to positivist and reductionist thinking, systems thinking sets out to view systems in a holistic manner. Consistent with systems philosophy, systems thinking concerns an understanding of a system by examining the linkages and interactions between the elements that comprise the whole of the system.

i can't answer your question in very sad situation.

but if your situation is very bad, then you can find happiness by thinking about your past that has full of happiness.

or you should do meditation for some time to get rid off from that bad situation.

you can pull a muscle   or fracture something