There is lots to hope for and lots to salvage. I would look into therapy/counseling as a start to support you in making the changes and for healing the wounds you have.
I've had my share of 'knocks' in life, some quite serious so I know things can and do get better but healing and loving yourself are key. That is where therapy can really help. If you tried it and it didn't then you should try again, a good therapist can really help you, esp if there are things from our childhood that we haven't dealt with, those are usually the things that hold us back.
good luck!