The manifestation of weakness of the heart may be a certain amount of nervousness and anxiety, for example, some people are very easy to become weak when they do bad things, and even do not have the courage to speak, do not dare to face the people they hurt, it is easy to have no bottom, very weak performance. Character has certain defects, such as too nervous, anxious, easy to be sensitive, low self-esteem, do things easily become forward-looking, hesitant, face problems and setbacks are very easy to be weak. There are also some people who are prone to the problem of weakness when they tell lies, the main performance is more nervous, speaking voice trembling and so on.