I would not stick to the five day thing. if you are scared of needles then you shouldn't be taking. that's the only reason that I see for not shooting every 3.5 days. I don't think that as a first cycle your dose is low as that is still much more than you have in your system anyway. maybe the initial feeling you got was from having your natty test and cyp floating around in your system. once your natty test shut down you feel like your levels dropped. purely speculation