The first step is to understand how timing and spacing works, as close to the real world as possible.
Once you know that, then you know the affect of changing this will have on the outcome.
You will ‘know’ how to push things to add ‘character’ or ’emphasis’ a cerian movement, or even know when and how you can ‘break the rules’.
But, as you have probably heard many times before…..”You must learn the rules before you can break them”