These variables must be balanced carefully. The book introduces the , which explains that while training creates fitness, it also creates fatigue. If fatigue accumulates faster than fitness, performance and growth will stall.
Forget rigid Westside periodization. V104 espouses for naturals: Accumulation (high volume, lower weight) -> Intensification (lower volume, higher weight) -> Realization (peaking).
The program must fit your schedule, lifestyle, and work obligations.