Answer:
Anxiety
Step-by-step explanation:
Anxiety is the emotion which is described as the unpleasant state of internal turmoil a person experiences which makes people worry and become nervous.
Here, Holly is describing her internal turmoil. She is always tense, worried and gets frightened easily. Her behavior is dictated by her inner turmoil and she reacts according to her internal state. This makes her more worried.
Hence, Holly is suffering from anxiety.