Is this anarexia (20 words?)?

i dont think it is but my friends are really mad at me an they say they wont stop talking to me if this gose any further..i need to lose weight (63 ) and when we go out to eat i eather say don't have any money and buy the plain nacho chips at rubios or a bowl of beans or i will eat a whole salad (baha chicken, tortilla etc)wich they say is anarexic....they're like thats for people who order something else and latley i have been getting burgers and fries just so they dont say anything but i come home and cry. how do i get to convice them im not anarexic?