A few things to say about this.
1) yes. You need to stop second guessing. Dont question to try and direct the matter for finer details and pick it all apart to analyze ever detail with questions included. This can be just as much a blockage as it is an attempt to seek knowledge. Sometimes all you need to know is what you are given. Other times if you are to know more, it will come as necessary.
2) when you say formulas, what exactly do you mean?
3) there is no short cut to magic. There are many approaches and methods. Some more lengthy than others, but in the end all about the same when you think about what it takes to do it all. Though not necessary as this can go back to the first point in dissecting can hold you back.