(TW: Mentions of eating issues and weight loss)

(20F)

For a bit of important context, at the beginning of this year, I was nearing obesity, like I was eating 3000 calories+ a day with no exercise and I've been on a weight loss journey since June (I've gone from 95KG to 73KG healthily). I've been successfully keeping my calories from 1300-1600 per day, however, now my issue has completely turned around 

I used to eat out of anxiety and boredom, and now I'm just not hungry when I'm anxious and it's scaring me. It's almost 7 pm and I've only had 300 calories today, yesterday I only had 800 and the day before I had 700. It is causing me to feel like complete and utter shit, and I can feel myself becoming foggy mentally, however, I just don't feel hungry because I'm so anxious. I don't want to develop any eating issues and my current diet is scaring me. How do I eat despite the nerves?