Exactly this. What most people fail to understand about fitness is that over time, your body adapts to whatever you make it do. Whatever you want to get better

Exactly this. What most people fail to understand about fitness is that over time, your body adapts to whatever you make it do. Whatever you want to get better at, just do that thing over and over, and you will get better at it. There is no shortcut or "hack," it's just practice and adaptation over time.