I dont think every 2 weeks is remotely enough therapy to touch an eating disorder. Of course you would feel stuck and as though you aren't progressing (I can feel that way too and I see my Ed therapist a few times a week). You need to address this your T and see what the two of you can change up....a good t will help you
work through it. I would look at adding a support group or seeing if you can increase the contact w/ your T.