If you’re a teen, remember that the teen years are the absolute worst time of your life. I'm surprised any of us survive it. You are struggling with so much stress, pressures, changes... Your body and mind are trying to cope but ... it's hard, dealing with unpredictable hormones and roller coaster emotions.
The brain is a very complicated and delicate thing. It can get messed up and be unable to produce any or enough serotonin. This is called a chemical imbalance which is easily treated, very common and nothing to be ashamed of.
It can cause depression, anxiety, panic, obsession, self harm/self hatred, suicidal thoughts, eating disorders, sleeping problems, aggression/rage, anger, phobias, fears, helplessness/hopelessness, hypochondria, ADHD, paranoia, OCD, headaches, lack of interest in things, lack of motivation/ focus and much more.
Ask a dr. for anti-depressants. Sertraline is a good one; most people thrive on it and it has no side effects. With antidepressants, you will be much better, happier, calmer, confident, safer and feel normal. What a difference it makes! Your scars are probably there to stay but try Stivecten.
Therapists are mostly a waste of time and money. They aren’t even allowed to prescribe appropriate meds to help you get better. Don’t stop taking the meds once you start to feel better. You need them, so stay on them.
But meds can do only so much. God is the ONLY one who knows what you’re thinking, how you’ve struggled and what you’re going thru. He loves you passionately and wants to be your BFF. He has a super-deluxe custom-made plan for your life that’s beyond anything you ever dreamed of. BUT He waits for us to ask. Invite Him into your heart; ask Him to take over your life and your problems.
Find a big, happy church, attend some groups and have fun. Talk with the pastor or youth pastor; he probably deals with this a lot and will have some good ideas. God loves you more than you can possibly imagine!! :-)