If people think eating as much chicken and rice and training with perfection and doing those 2 things religiously for years is going to get you massive, then by all means try it and let us know in few years how well that worked for you.
Anyone undermining the importance of drugs and drugs knowledge is just lying to you.
Yes yes good genetics bla bla bla is important, but not everyone here is aiming to be a Mr Olympia or even to compete.
If you just want to get as big as possible and perhaps as lean as possible then you need a coach who knows drugs period.
Not everyone needs a coach. Learn as much as you can about drugs, nutrition and training and find out what best works for you.
The more you grow the more drugs and food you will need. If you are 200 pounds and want to get to 215, you gotta eat as if you are 215 and take more drugs to get to 215.
The more you grow the more fuel, protein and drugs your body will need. Simple as that.
Training and eating perfectly without drugs will not get you too far. Simple as that.
GH insulin AAS and various other shit alongside with training and food is the only way to keep growing until your body eventually gives up.
A coach should know about all of this otherwise, I'll take your money and tell you to eat chicken and rice and carb cycle high medium low all year long