mental state characterized by a pessimistic sense of inadequacy and a despondent lack of activity. Feeling depressed is a normal reaction to loss or other life's situations causing temporary sadness, life's struggles, and an injured self-esteem. Clinical depression is different from depressed mood by affecting other body and brain functions (energy, eating, sleeping, thinking, memory) and lasting for long periods of time - from many weeks to years.

Experiencing a desire or need for food.
Ghrelin, a hormone produced by the stomach, is a hunger stimulant and so is the deficit of cholecystokinin (CCK). Other factors are blood levels of glucose, amino acids, and fatty acids and neural signals from GI tract.
Craving food does not necessarily mean an energy deficit. It could be instead fueled by the anticipated pleasure of eating.

​feeling that a bowel movement has not been as complete as it should be. Could be because of small stools or continued urges after repeated bowel movements,  due to visceral hypersensitivity in the large intestine and motility dysfunction, or the fact that the muscles of the large intestine do not operate smoothly, so the person can't pass well-formed stools. 

​State of mental or emotional strain or suspense capable of affecting physical health, usually characterized by increased heart rate, a rise in blood pressure, muscular tension, irritability, and depression. 

Many stressors (stressful circumstances) are not inherently stressful.  Conscious and unconscious responses of our inner world that determine whether it will make us actually feeling stressed.  
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Studies suggest that up to 75-90% of all health problems are related to stress.

feeling a need or desire to drink, feeling dehydrated.
Could be the reaction to eating salty foods and not drinking enough water or fluid loss during exercise, fever, heat exposure, diarrhea, vomiting, injuries to skin, increased urination due to infection, dry mouth syndrome.  
There is often this feeling of needing to drink during and after anxiety attacks.
Excessive thirst may also be a symptom of high blood sugar (hyperglycemia) and diabetes. 

​excessive, exaggerated or uncontrollable emotion (such as fear or panic) or excitement, especially among a group of people.

relatively long lasting state of mind or feeling. Moods differ from simple emotions in that they are less specific, less intense, and less likely to be triggered by a particular stimulus or event. Mood can last for one or two days, while emotions can come and go relatively quickly.
Moods have two main dimensions— positive affect and negative affect consisting of positive emotions such as excitement, self-assurance, and cheerfulness at the high end, and boredom, sluggishness, and tiredness at the low end; and negative nervousness, stress, and anxiety at the high end, and relaxation, tranquility, and poise at the low end.