Hum... i feel for you op...i always had a small frame, crappy, genetics, and gained slow...started at 6'4 168 few years back now im up to 6'5 206 but still looking like shyte
My old college roommate hadthat routine...chest/biceps/tris... all day every day cept weekend ...suprisingly his arms were hyyoooge... but uh yeah he looks like a couch no symmetry whatsoever
Their fibras are different... One of my afro friends started lifting a month ago, he's already more jacked than I am - which isnt very hard... but oh eh :>