You ate 3 meals. The human body needs fuel on a regular basis. You didn't skip breakfast. Breakfast is great way to begin to fuel-up for the day. The recommendation for water is at least 8 cups each day and you drank about 8 cups of water.
Water helps fight fatigue.
You met the recommended amount of vitamin C, calcium and iron. Your diet meets the recommendations for a heart healthy diet because it is low in fat and high in carbohydrates. The protein shake for breakfast is providing much of your needed nutrients and most of your protein. The protein shake is providing many nutrients that aren't coming from your food, but it doesn't supply enough of the needed nutrients. The total amount of calories is very low.