Did you ever see
Blah blah blah.......psycho babble from some shinny guy that read it instead of did it.....
Did you ever see the Movie with Tom Hanks where he was stranded on that island for a couple of years. He lost a ton of weight. I doubt he was depressed because he failed to grieve for his lost meals. He was more concerned about just staying alive.
You just have too much time on your hands worrying about eating. Get out and exercise and do things and forget about every single pound or the meals you're not eating. Food is still there. You're just adjusting to your new pattern of eating. Once it becomes your new normal, you will be fine.
The weight loss is gonna take time. You are over anxious now but once you reach your goal, you'll probably feel amazed how quickly you got there. We humans never seem to be satisfied with the here and now. Relax. It ain't about grieving over stuff. Revel in the thought of the new life you have ahead of you.