Ah I see you have had it confirmed and had all the tests.
I too was starving at first. One of the main reason for this was that I was addicted to gluten containing products. A dietician told me athat the things that do us harm are usually the thing we become addicted to. The 'hunger' is partly withdrawal symptoms - opening a cupboard with bread or flour in was a weird experience at first. I was so withdrawn I could actually smell wheat flour from quite a distance.
In reality you can eat as much much meat, eggs, vegetables, nuts, mushrooms, rice as you like. You may need to be careful with lactose (milk sugar) as your gut may be damaged. Lactofree milk is readily available at supermarkets. Ask your dietician about that.
Other than that you can buy Does Farm gluten free pasta at supermarkets (Sainsbury) and you can always buy Genius GF bread until you get used to the diet.
Do not use ready made sauces. They often contain flour. Also be careful to avoid hidden gluten in thing like oven chips (dusted with wheat flour), cornflakes (sprayed with barley malt)
Your diet will gradually stabilise and you wil get used to it. I found cakes and biscuits the thing I missed most so now I bake my own with Doves GF flour. That takes a while to get used to though but you wil become a good cook and very probably your family will eat what you eat and not notice. We all eat far too much wheat flour anyway.
DW now says she feels less bloated as she eat my GF food. I found I lost 1.5 stones in a few weeks as I was so bloated with fluid but after that my weight You may find that happens too.