Gil is a wonderful teacher who not only focuses on your golf swing, he emphasizes the mental aspect of the game as well. He stresses that you shouldn't have a negative attitude because that becomes self-defeating. If you make a bad shot -- accept it and get to the next shot.
By spending time on the big clubs (driver, etc.) as well as the short game (chipping, putting), Gil gives you all the tools you need to shave strokes off your game. Now, all that is left to do is practice, practice, practice!