While you wait for your GI to return from vacation on the 11th to talk about nutrition, try this strategy to boost your diet with proteins, fruits and vegetables.
When you go to the supermarket, shop the perimeter of the store. That is where you will find protein items such as eggs, chicken, fish, beef. Look for specials (not the items that are marked for fast sale with best-by-date for that afternoon) but look for in-store specials. The perimeter is also where you'll find fresh fruits, vegetables, milk, tofu, cheeses (look for specials). The perimeter is also the freezer section with frozen vegetables and frozen fruit that you can turn into vitamin and protein packed smoothies. Freeze some almost-ripe bananas by cutting a banana into chunks and ziplock into a Baggie. Use these frozen chunks to make your fruit/vegetable smoothie and you won't need ice cubes. Put frozen veg in a bowl, add a bit of water and microwave for 2 minutes. There's your side of vegetables for dinner!
The middle aisles of the store is where the cookies, chips, soft drinks, instant packaged foods, sugary drinks, etc., are found. Try to avoid. Buy some staples such as pastas, rice or beans for carbohydrates, a few jars of sauce (look at the label for ingredients that you recognize, not loaded with sugar or chemicals) and you can have some simple, well-rounded meals. You can stock your cupboard with nutrient dense food. Start slowly, month by month if you have to, and restock your shelves and soon you'll be rid of calorie dense foods and replaced with nutrient dense foods. You can do this.