The symptoms of depression include the majority of the following signs, experienced nearly every day over the course of two or more weeks:

a persistent feeling of loneliness or sadness

lack of energy

feelings of hopelessness

difficulties with sleeping (too much or too little)

difficulties with eating (too much or too little)

difficulties with concentration or attention

total loss of interest in enjoyable activities or socializing

feelings of guilt and worthlessness

and/or thoughts of death or suicide.

 I have these symptons so do I have depression????