I have been constantly upset/crying my self to sleep for no reason, lip biting/cheek biting, no motivation, self harmed. help

You need medicalhelp: Based on your description, you need emotional support and medical help. Please share your problem with your parents and ask them to find help for you either from a Conseller or a psychologist. It is not uncommon to have such problem during teen years but there is medical help available. But you must seek help right away and not delay it.

Get help now..: You seem quite depressed and need to see a mental health professional right away. Please have a parent or a trusted adult come with you for an initial appointment. Write down all meds you take, any alcohol/drug/tobacco/caffeine use, current stresses and about when you started feeling so negative. Your pcp is a good person to ask for a referral. If you feel suicidal, go to the ER. Please get help.