Hi, I think there is something very much stressful or unexpected  happened to you and u are not able to accept that thing therefore u are feeling like this. You should try relaxation excercise and consult a Psychologist.

Hello Friend, Good that you are seeking a help. Any emotional issues will have solution only when you acknowledge the problem and openly discuss with someone you trust. If you can't find such person or hesitate to speak to friends or family members, then take a professional counselling support. In such discussions, you will unearth the deep emotions that may be causing you such disturbances. Don't hesitate approach us.

Feeling low, having crying spells, sleep and appetite disturbances, and difficulty in concentration and attention are some of the signs of Depression. Consult a Psychiatrist for a detailed assessment. It is likely with medication and counseling the symptoms will improve. If you are feeling suicidal or hopeless consult a Psychiatrist immediately.