When you have something on your mind that you really have coming out of your brain. . . just talking to the beat, it's pretty easy and it's a natural feeling and at this point in my career. That's what I'm going for, I just want things to be organic.
Tennis is a battle of the minds, just as much as it is a battle of playing ability. Trying to expose your opponent's weaknesses is one of the most vital and fascinating facets of tennis.