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I think one of the biggest myths about eating disorders is u need to be super-skinny to have one. what u're doing is unhealthy both physically and mentally so, yes, u should get help. i guess if u are a school or college, the counselling services there are a good place to start. or u could see your doctor and ask them for a referral to a specialist - they should know where your next port of call is. good luck, as a former anorexic i know that fighting an eating disorder is hard work, but i can assure you what awaits u on the other side is more than worth it. u are too good a person to continue to suffer like this - please seek help and take care.