If you are concerned about someone older than eighteen, realize that you can only suggest treatment. In this country, people are free to refuse even critically needed and lovingly suggested care. In the end each of us must be responsible for the choices we make. We can support one another, encourage mature thinking, provide information, and offer advice, but eventually each individual must decide what to do and how to do it. To live with honor and integrity takes courage.
Life is complicated and messy.
We don't have maps or scripts to follow, but we do have multiple opportunities to choose wisdom and integrity over blind adherence to destructive patterns. Best wishes as you continue your journey. For help with the physical and emotional problems associated with eating and exercise disorders, talk to your physician and a competent mental health professional.