There are certain foods that are simply "part" of the bodybuilding diet.Proteins like fish,eggs,meat,turkey,chicken,etc...and carbs like oatmeal,pasta,rice,potatoes,etc.Of course everyone has there preferences and tend to eat the same one's each day which is fine and common.However,I believe you should try to vary your food intake throughout EACH DAY as much as possible.Each food has slightly different nutrients,amino acid profiles,etc.and giving your body variety will allow you to take advantage of the different properties of each food.
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symmetry over size