I've had low E problems with strong AIs (6 bromo) even at 1.5 caps per day. I prefer mid to low range E, not CRATERED TO ZERO. That's why I'm using erase on my pin cycle
http://anabolicminds.com/forum/old-school-hormone/175171-10weeks-500mg-t.html#post2867730
As a note, my libido was OK, but...