Tracking your workout progress in the gym in a journal helps you progress and see when to add more weight or reps ,you can try and beat your last workout by pushing your self a lil more bu adding reps or imcreasing weight. food intake is important for your body to use for muscle you have to have enough calories to gain muscle based on your daily caloric intake which can be seen. Taking track of the macronutrients in the food helps change your body composition by your body breaking down the macros into your body
The answer to your answer is B because who cares what your freinds think,from a personal experience I shouldn't but I do,but still I shouldn't and neither should you or anyone else for that matter.
