First of all, you train yourself and you have the God-given talent that you can do it, and that is that you can play jazz if they want jazz, and play country if they want country, and classical if you're that gifted."
VOA: standard.2009.08.14
Get in the daily habit of taking three minutes to answer the following three questions, and you will literally trainyourself out of the perfectionist mentality and into that of the performance evaluator.
Throw one of these in your bag, and the next time you're on the trainand want to mix in headphones, or find yourself at a party, the PDJ will suddenly make a lot more sense.
Ekman himself offers training from his website, or you can trainyourself by studying facial expressions and identifying the basic ones using simple pictures which you look at for shorter and shorter periods of time.