amen gutshot.

when you eat your trying to intake different nutrients from your food that all do a different job within your body. proteins aid in muscle growth and repair for instance.

junk food doesnt provide sufficient amounts of each nutrient, often a surplus in the nutrients you dont want so much.

you also need the right kind of food to provide your body with the energy needed to complete the hard and demanding workouts that boxing requires. feeding your body junk food is like putting deisel in a petrol car...