Well... I'm no nutritionist, but if I'd been in your situation I'd write a long and detailed shopping list with lots of fruit, vegetables, tea, wholegrain crackers and some very dark chocolate and send hubby to the store. And tell him to not bring back any "comfort foods" unless I'd specifically asked for them. Especially not anything that can be microwaved...

Then I'd make some smoothies and some massive salads with vinaigrette dressing and eat as much as I felt like, and snack on tea, biscuits and a little chocolate. I have trouble overeating on salad/raw veg. no matter how many potatoes, beans or avocado I spike it with, but I'll happily gorge on hot food.