Hello, thanks for your approach to us. you said that, you are experiencing some problem, may be related to family, academic/ environment or peer group. some incidence or thought or about person(relationship) might be irritating you, in which you will be in tears. its natural psychological dysfunction will have an impact on physical body. it might be stress resulting in gastric/appetite problem, insomnia, or others. Before it worsen visit any psychologist, you will clarity of self and handle any issues confidently. ups and downs is part of life try to accept and move further with positively. take care.