You need to learn about nutrition, especially as it relates to training.
Lyle McDonald,
Alan Aragon,
Leigh Peele are good sources to learn from.
IMO your knowledge of nutrition should far exceed your knowledge of training. And that is true whether you are "cutting" or "bulking" (I hate those terms).
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"A government big enough to give you everything you want is a government big enough to take from you everything you have."
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* IAFJ = it's a fucking joke)
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