OK guys im bout to start 500mg of Test Cyp... 500mg Eq and 100 clens.... I got gyno right now dont have letro yet but im ordering it... really dont want to cuz i heard u get bad joints very painful and it thins your hair hardcore... i already have thinning hair... anyways if i start up cycle and then hit up letro a week into cycle does it matter???? You think i can jus run arrimidex or do i really need letro thanks alot guys