while testicular atrophy can occure when test production drops, its not a guranteed indicator. So, dont think just cause you balls didnt shrink while on a cycle that you dont have to use clomid or other post cycle products.
I agree with you in part Zyg, except in the case of my bulldog, he has huge nuts and they must produce tremendous testosterone. He is getting very large and muscular yet is staying lean, also he humping every old lady in the area.