Anxiety is an unpleasant feeling of apprehension, fear, and tension, accompanied by some physical disturbances, especially increased activity of the autonomic nervous system. Many consider it the soul of life for humans, because it is considered a person's driving energy. We all experience anxiety, but to varying degrees and under different circumstances. Anxiety is also considered a type of anxiety. The emotional response to a specific situation is considered the guardian of a person's psychological life. If it exceeds its normal limit and reaches a pathological form, it becomes an extreme situation for a normal feeling.
Anxiety is divided into two types: the first is anxiety of external origin, which is a normal response to pressure from outside the individual, and the second is anxiety of endogenous origin, which there is much evidence to suggest that it is a disease, and the subject of the book is the second type, which is pathological internal anxiety, and its most important symptoms are fear. And tension, nervousness, and a feeling of insecurity, even in the presence of family and friends, while the most prominent behavioral symptoms are avoidance and withdrawal, and we are usually in anxiety, tension, expectations, and bad possibilities, to the point that the occasion may come, which we are supposed to enjoy, but we are only reassured. After its expiry.