What are the manifestations of anxiety and depression in people with serious emotional symptoms such as nervousness, fear, irritability and anxiety?

Tension, fear and fidgeting are common. Some psychological problems, some symptoms, especially anxiety or phobia, cause anxiety through oblique external manifestations because they are in a psychological panic that they can't control what to do in the future or now, and they have no self-confidence, which leads to psychological problems. If it is depression, it belongs to nerves, which is a more serious one, usually manifested in social interaction. It reduces the social function, which is seriously reduced and belongs to deformation conflict. In other words, what is often trivial to others is really serious to her. Besides, she is silent and unhappy. She is not interested in what she used to be interested in, and now she is not even interested in work and study. She will have a sense of giving up on life or life.