I mean this is a very basic basic workout routine -
http://www.bodybuilding.com/fun/over...r_training.htm
It all comes down to the amount of calories hes taking in at the end of the day. Your body cant grow unless you give it the fuel. diet is 90% of the game the other 10% is your training. All in all it easy to push weights around, but to be consistent with diet takes discipline.