Why are you afraid when you see a mountain approaching a stone?

You will feel nervous about situations beyond your control, and this kind of psychology will also cause physiological reactions. It's not serious. Some of you may be too scared to walk and feel weak. Some may be severely stimulated and then faint. Specific suggestions: First, it is similar to acrophobia. This is your normal psychological reaction. The second is the stimulation to the outside world. People often have a defensive mentality. Some of this defensive mentality is very heavy, some are very light, and you are more powerful. This defensive mentality can help people avoid danger, which is beneficial. Master some common sense in this field, most of them have this kind of psychological reaction, and you will be calm. It is not unique to you, and you don't have to aggravate the stimulation of this phenomenon. When five people are in danger, whether to avoid or take risks. Now you understand.