So maybe I missed something, but to gain strength and mass you need to do atleast 4+ sets of 15+ reps? How much weight (range of weight) are we talking? Sometimes on my measly 3 sets of 15, my muscles feel like they are gonna burst!
Do you end up spending 5 hours in the gym!?!?!?
Do you end up spending 5 hours in the gym!?!?!?