Partner's Diet is Triggering My Eating Disorder

Does anyone else have a partner that’s really into restricting their diet and working out for “fitness”? I have been on and off w/ restriction and bulimia since I was 13, diagnosed when I was in highschool. I have a somewhat healthier relationship with food.. but my partner is doing the no-carb thing and since we eat together a lot it’s triggering my “all or nothing” thinking which I feel may snowball me back into bad habits. I don’t want this to happen but I also don’t want to restrict what they eat. I also feel insecure about my body as I’m heavier than I was when we started dating and I feel “guilty” not being as thin anymore.