Eating disorder questions..?

I'm doing a report in school and i'm ask to ask other people these questions and see they will respond to them..

1. Include the signs(symptoms) of your friend's eating disorder.

2. How you can be supportive - what actions would you take?

3. Who would you talk to for support?

4.And finally, how would you approach your friend and offer your plan of support?

.1 Voluntary throwing up of all nutrients you ate.
.2 I did not talk to anyone nor acknowledge that I had a problem.
.3 I spoke to no one and no one noticed
.4 I would have been hostile and in denial if anybody had approached me , as I did not feel I had a problem.