+1For me, it is keeping track of all my performance and regularly reviewing my mistakes because if one is thorough in what he or she is doing then they will be motivated and try not to commit the same mistakes again.
I find that tracking errors on pencil and steno pad in an 'error log' quickly eliminates the need to "try" not to commit the same mistakes. If ya just write down the error, by the end of the week you'll remember the repeat errors, but it can be informative to keep the dated log for quarterly summaries to see and recollect what cost you the most, what happens a lot but ain't no big deal and whatnot.
What worked, what didn't work and what's next can be good ideas to write down and date.
So Aud2, are you a rules based trader?
What timeframe charts do you like to trade?