There's no real universal prescription for something as subjective as "success" or worse, "fitness."
https://breakingmuscle.com/fitness/creating-a-long-term-training-plan-and-macrocycles
* Gym Jones * assessment of your current capabilities * reasonable expectations at the start of the training year * implement some variations on the classic lifts * training blocks will depend on a number of factors * Make a plan, make it relevant