TravelA For sure some of the depression might be related to the diet situation. Go to the drugstore and get some chromium. That will help regulate your blood sugar. It is an important precursor for serotonin production as well. Mother nature's miracle anti depressant. Inexpensive, no prescription, not a drug. It takes the blues away over night. Of course it can't get rid of the stressors but at least it helps keep you from feeling quite so overwhelmed with sadness.
Food is important to be sure. If you don't have a fridge in your room bring in the one from your van. My dinner tonight was very simple, cherry tomatoes and a couple of low fat mozzarella sticks. Tomatoes are good at helping dampen down the I am hungry feelings as does a bit of dairy. It is a low in calories meal but has good vitamins and minerals. Good for days when cooking is not convenient. Eggs are another great food, low in calories, high in nutrients and protein, they keep your hunger satisfied and your energy up. For days when I don't want to cook I buy a package of already hard boiled and peeled eggs and keep them in my little fridge.