How does training experience affect muscle quality and depth?

Training experience significantly impacts muscle quality and depth, which cannot be rushed or artificially accelerated. The host emphasizes that true quality and depth in muscle development come with time and consistent effort. Even with four years of training, he notes that he is still in the early stages compared to others who have trained for over a decade. The host advises against comparing oneself to seasoned athletes, as they have had years to develop their physique.