Thanks for the heads yo I bought Flurry for after my show. Haha. I use an app called MyFitnessPal but there's others out there.
Macros=macronutrients. Protein, carbs, fats. Roughly 1oz chicken is 7g protein for example. A can of tuna is 26g. 1tbsp olive oil is 14g fats... That sort of stuff.