01
Match what is actually there
Not what you find most interesting to offer.
Fly fishing taught me presentation. The fly weighs nothing, so no part of the cast is powered by force. It is timing, and letting the rod do the work.
In every other kind of fishing the weight of the lure carries the line. In fly fishing the line carries the fly, which weighs almost nothing. That one reversal changes the whole physics of it and punishes anybody trying to muscle through. Force gives you a collapsed loop. Patience gives you a clean one.
Then there is matching the hatch. You do not throw the fly you like. You look at what is actually on the water that hour, that season, and offer something close to it. Throw something nothing is eating and your technique does not matter at all.
And the drift decides it. A perfect fly dragging unnaturally across the current gets refused by every fish that sees it. How the thing arrives is part of whether it is accepted, which is true well outside of fishing.
Not what you find most interesting to offer.
A good thing delivered wrong still gets refused.
Pushing harder is the standard failure. Timing does what effort cannot.