So you need a rule set, you need to take it seriously, you need to pick the right ones (and not accidentally pick the wrong ones or omit the right ones), and if

So you need a rule set, you need to take it seriously, you need to pick the right ones (and not accidentally pick the wrong ones or omit the right ones), and if you make a mistake, you can seriously physically injure yourself. Sounds like deep understanding to me; could you be taking it for granted because you've come to a point of mastery such it feels facile?