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The Skinny Guy’s Guide to Bulking Up (Fast) | Nerd Fitness
Want to go from a skinny guy to building muscle quickly? I got you. Iโve spent my entire life trying to pack on muscle, and after years and years of trial and error, I finally cracked the code. Today, I share that code with you! Up, up, down down, left, rightโฆ Wait, wrong code.ย This…