I'm sure many of the guys here are much better fly fishermen than me, but my advice would be the single most important thing you can do for success is learn how to tie your tippets. Second would be to learn to tie on your flies. IMO presentation is everything, and if you get this right you'll be forgiven 7 other faults/sins.

Be Polite , Be Professional , but have a plan to kill everybody you meet
-General James Mattis United States Marine Corps


Nothing is darker than a mau mau's moo moo.