Mindset is the most important aspect of your training.
Forget programming. Forget set and rep schemes. Forget intensity cycling.
If your mind is not in the right place, you will not be performing to the best of your ability and your progress will not be as great as it could be. The lifting mindset is something I’ve researched a lot over the years. I’ve found out what works and what doesn’t, and I’ve figured out when exactly to employ these techniques.