Anxiety is characterized by:

Anxiety is indeed characterized by unwanted fear and physical manifestations. This condition often involves persistent and excessive worry about various aspects of life, which can lead to physical symptoms such as increased heart rate, sweating, and muscle tension. These physical manifestations are a response to the body's fight-or-flight reaction, which is activated in response to perceived threats or stressors.

In contrast, complete emotional control, a lack of response to stress, and constant happiness do not align with the experience of anxiety. Individuals experiencing anxiety typically struggle with regulating their emotions and may find it challenging to cope with stress effectively.