I believe I AM an extreme ectomorph. Before cycling, I was 125lbs. I now weigh around 155 at all times. So all those cycles put 30lbs of muscle (nojoke, im only 9% bodyfat) on me that I'm able to always keep 
In other news... Yesterday was not a gym day but I'm noticing one thing already. Don't know if it's just in my head. But MY APPETITE IS THROUGH THE ROOF! It could just be that I'm finally fully over my cold, and so appetite is just bouncing back but I'm noticing myself never really getting full.
Day two & I love the feeling ;-) got shoulders and traps this evening.

In other news... Yesterday was not a gym day but I'm noticing one thing already. Don't know if it's just in my head. But MY APPETITE IS THROUGH THE ROOF! It could just be that I'm finally fully over my cold, and so appetite is just bouncing back but I'm noticing myself never really getting full.
Day two & I love the feeling ;-) got shoulders and traps this evening.