Hello Friend, Good that you are seeking a help here. When you mind is  out of control,don't take any hasty decisions. It's  better to ask for help. You are doing the right thing by asking a help here Just ventilate your feelings, emotions and concerns to someone like psychology counselor openly. You will be able to figure out the reason for your emotional stress and also a suitable solution to overcome this.

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 counselings the symptoms will improve. If you are feeling suicidal or hopeless consult a Psychiatrist immediately