So many times in our life it happens, we feel empty and completely disappointed. Don't worry Sometimes it's natural because of our situation or the environment. Just for quick and temporary comfort, sit in a calm place, play a favourite music, close your eyes, and focus on your breathing for 10 minutes. You will feel better.

It stress induced headache. It can be well treated with counseling sessions and homeopathic medicine if required.

Hi Believe that you will overcome this pain. Do some calming activities.  Take a break from usual life and find enjoyable ways to feel happy. Be assertive and engaged with activities

Hello Looking like you are depressed, so please consult with a mental health professional to cope with your problem. Practice relaxation techniques.

To get a relief of problem use this technique and get relief.For this  you conjure up soothing scenes, places, or experiences in your mind to help you relax and focus. You can find free apps and online recordings of calming scenes—just make sure to choose imagery you find soothing and that has personal significance. Guided imagery may help you reinforce a positive vision of yourself, but it can be difficult for those who have intrusive thoughts or find it hard to conjure up mental images

Consult a psychological Counselor for a therapy. You an get a  clarity and understanding about yourself and about your future life.