A lot of people have recovered from self hatred, depression, self-destructive habits, etc. You were able to stop hurting yourself physically. I would take that as evidence that you can change. Don't give up, even if you have more things to change after overcoming one. Get help from a professional if you still struggle with change and not liking yourself. It isn't easy to change how you feel about yourself, but that is what is at the bottom of a lot of therapy, even though approaches may differ.

You can do this, and you don't have to accept misery or other limits on your life and your potential!