actually i disagree. I would say have it on hand, but run the cycle and see i how it goes. By the logic of bjpenn, who i am not flaming at all, you would need to run adex for all cycles in the future. Me personally, i have found through carefull trial and error what aas and what dose is the threshold where i need to think about using an ai. I say why take more drugs than you need?
learn what signs to look for, learn how to spot and stop gyno before it gets out of hand. some guys get it at the dose you have, some wont.