Hey bro. This is kind of wierd. I'm 22, 5'8 and weight 183 lbs and have about 20% body fat. My diet is very similar to yours.
Meal 1-1 and 1/2 scoops whey, 1/4 cup oatmeal
2-1 and 1/2 scoops whey, 1/4 cup oatmeal
3-5oz boneless skinless chix breast, 1/4 cup brown rice
4-2 cans tuna, handful of...