Skinny to Strong

I have been doing my strength and mass gaining exercises for about 6 weeks now. Time to take a break. Let the muscles recover completely before my next bout of extremities. I just completed shoulder and trapezoids exercises today and I did not feel good about it. All this week my performance has not been so good at the gym. First I did fewer reps than before week on my bench press this past Monday. I also did not do as well as I expected on my deadlifts too. Then I had a very weak bicep curl on Tuesday. Today (wednesday) I stepped into the gym with very low confidence. My body does not feel all energized. I felt tired even before I started. Not good. I picked up 42.5 lbs to start my shoulder press but again could not do any better than previous week. I could not finished my 3rd set at all. Not even a single rep. Which is bad news. My body is demanding rest. And rightly so too. It has been a little over 6 weeks since I started my mass gain phase. I need some rest. Respecting what my...