You really need more help than the people here can give you. You’re not getting advice from professionals, you’re getting advice from what a few people have been through and some opinions from other people.
You really need to find more appropriate help. Try here: https://www.nationaleatingdisorders.org/help-support/contact-helpline
Or here: http://www.anad.org/get-help/
Or here: https://www.allianceforeatingdisorders.com/portal/getting-help
Those sites have different ways to talk to actual qualified professionals, either in chat rooms, by e-mail, or over the phone.