After you learn how to swing correctly your body will correctly memorize it. Now that you’ve taught yourself the best techniques, you’ll need to unclutter your mind so as not to think through the actions. And you have to believe that this perfect swing of yours is your customary "A game" swing. Perhaps by visualizing it in detail and remembering how it felt and playing it out keeps you in that groove. Mentally play it out in your head and get that feeling before you do the deed.