Good on you for not drinking and for cutting out the carbonated drinks. Although if you consumed a lot of caffiene and cut it out all of a sudden that can also be part of the reason you're feeling weak and tired.
Oh no, I've cut out caffeine since the end of last summer!
Where are you getting your protein from if you aren't eating meat?
I know that you need to obtain complete proteins by coupling certain products (i.e. rice and beans), and I believe milk/dairy products offers complete proteins on its own. I eat eggs for breakfast a few times a week as well. Are there any other "pairs" which provide complete proteins?
Have you tried cutting back on the grain products and eating more vegetables? The fiber in the veggies will help fill you up more than the carbs in a lot of grain products will.
I need carbs, since I'm an athlete. I do eat dark greens whenever I can, but many times I find myself filling up on pasta with tomato sauce since the veggies are not prepared very appetizingly (they are usually undercooked, or haphazardly thrown together to form some sort of mix).
Are you taking a multi-vitamin? Are you eating fruits and vegetables high in iron? Low iron levels can cause you to feel weak and tired as well.
No multivitamin (I'm guessing I should start?), although I've never really taken them regularly as an omnivore either. For the iron, dark greens are a good source, from what I understand (probably the best?); fortified whole grain bread is also a staple here, so hopefully I'm supplementing any deficiences with that.
Today's lunch was: a burrito with rice and beans, cheese, lettuce and jalapenos, a cheese quesadilla, an apple, two cups water, a few cookies and a cup of chocolate milk.
Dinner will probably be a few servings of vegetables (usually any items offered at the "Traditional Meals" bar, minus the meat), a slice of whole grain bread, a bowl of cereal, a piece of fruit, and water.
As I'm becoming more keen on environmental issues, I hope to have our school develop a more comprehensive vegetarian menu; my only fear is that more food will go to waste (on the flipside, there's the possibility of opening people up to a healthier lifestyle, but one must account for the negative outcomes at all times!). However, I'd like to have us establish an organic farm and compost pile, so perhaps this will be brought to balance--and then some!