I also think you have less separation if you are fuller. If you go to the gym and pump your arms up they are bigger because of the blood volume, the fullness. But the separation is not so defined.

Shoulder width is an absolute requirement for displaying the V taper that will make or break your physique.

If I listened to my instincts, I'd be down at the pub chasing women, not under a 400 pound bar squatting

Some people's joints articulate in a manner that allows them to benefit greatly from squats; others may not benefit at all. If you're not too tall and have short limbs, it may be the best exercise for you, but if you're tall with long legs, it might be both ineffective and dangerous.I was stubbornly faithful to squats for years until I finally realized they were not well-suited for my body structure. After I switched tomore muscle-intensive movements, my gains in leg size were astounding.

The single biggest mistake that most beginners make is putting 100% of their effort into the positive (concentric) part of the rep, while paying no attention to the negative (eccentric) segment

All else being equal, the guy with the best genetics will have the best physique. But rarely are all things equal.

Each workout is like a brick in a building, and every time you go in there and do a half-ass workout, you're not laying a brick down. Somebody else is.