You gained 21lbs in two weeks!!!! Damn, I would just stop there. How are the nads? If you feel you're still making gains and wanna take it a bit further, go 3wks.....just remember to take 3-4wks off using PCT meds of course. I did 4wks m1t only, followed by 4wks nolva pct.....nads are better, but as full as I remember them.