No mood for anything, I'm feeling down ...

I'm 19 and I do not feel good about anything, I'm feeling very down, I do not feel like going out or talking to other people and if I stay at home, I do not have the courage to do my homework. I'm married 8 months. I lost my appetite I almost did not like and I get frequent headaches. Sometimes I think life for me is meaningless. I've cried a lot, tried to find the solution to my problems but I can not. Help me please! What can this be?
Expert answer:

You need to seek help from a doctor. I can not give the diagnosis on the internet, but I'm sure that if you read what you wrote yourself you will have a good idea of ​​what it is, seek help, your problems have a solution.