Why do I feel like shit?

Why do I feel like a disappointment?

Why do I feel like a annoying person?

Why do people hate me?

Why do I hate my life?

How do I know if I'm depressed?

How do I know how to make myself feel better?

How do I find something worth to live?

Please help me...I am I a disaster a disappointment to my parents I feel terrible for making them deal with my crap my life drama. Why do I feel like this?