Hello Friend, Good that you are seeking a help here. The symptoms you mentioned are showing the sign of Anxiety and depression. As you have identified such emotional imbalance is affecting your day-to-day life, don't hesitate to take a professional help Consult a psychologists to assess your current suitation to figure out the reason or root cause for such emotional imbalance. I am sure by ventilating you emotions, you will be able identify a suitable solution that can help you to overcome this problem.

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 he is feeling suicidal or hopeless consult a Psychiatrist immediately.