I totally get what you are feeling. in my opinion, Most of us have those kind of people in our lives. You have a kind heart and you want to help. You do what you think you can but don't let them affect your life. when you start involving too much so to get them better, reflect back on if this is pulling you down ?. At the very least you got this person to open up ad had a heart to heart talk, that is already a starter for your friend to face his/her issue. Thank you for sharing your story with us !!!