I am 27 year old unmarried boy from 10 year I am feeling loss of appetite, I sleep too much, I can't concentrate or find that previously easy tasks are now difficult, I feel hopeless and helpless, I can't control my negative thoughts, no matter how much I try, I m much more irritable, short-tempered, or aggressive than usual, feeling very weak and my body is very slim, i' m not interested in eating no matter it is so delicious and sometime also feeling fatigue, lightheadedness, dizziness, nausea, blurry vission what I do please consult me sir