After a period of @ 6 weeks, any dosage of test begins to fail to provide desireable results. 1 step forward, 1 step back. Your body has figured out what you are doing to it and in an effort to get back to it's favorite place, "homeostasis" it ups cortisol and estrogen. Now, at week 10 when you subtract 1 gram of synthetic test from your anabolic equation, not only is your hpta shut down but you are producing high levels of cortisol and estrogen.