Stress is a feeling that the person is obviously uncomfortable. Do not expect Unable to agree on a decision, as it shows the physical. Mood unfair unbalanced happy confused angry grudge, etc.
Stress is a feeling that people have frustration does not take long to decide. Or the event at that time. It expressed physically Emotionally unbalanced, unhappy, confused, angry or sad.
Stress is the feeling that the person is uncomfortable, frustrated, not in order, cannot be determined or decided to events in the moment. The show physical, emotional imbalance, unhappy. Confused, angry, sad, etc.