you will notice that guys in 20's, 30's and up who work out moderately will have decent to large pecs. but i want you to show me how many that have 6 packs, no that many at all, not even a few
no i didnt say everything is genetics i said for the most part calves is. and the reason you dont see alot of kids waling around with well developed chests is that chests takes time to grow