all good posts here ,,,all the factors play roll,,thong maniac said the most important 'genetics'''how big one can get,how lean,how much drugs or little needed to improve if thats your goal,longevity of being able train consistent ,injury free,being able to eat to gain/lose without issues'like digestion or kidney'finding the balance that you can use for life in trying to achieve your personal top physique or strenght goal around lifes other important matters.like work of course ,marriage'kids/a home/family 'mom/dad/siblings healthy relashionships maintained,,,bbing or following a bbing lifestyle requires a lot of selfeshness on ones part ,finding a healthy balance takes effort ,,