You Can Never Serve and Serve Receive Enough

When i was a coach for a long time i figure a good half million balls got served and how many of them got served received in other words. How many of those decade plus of serves got red and and received and the answer is zero? So now i put rotating you know somebody knew out every time to serve receiveHalf the five serves that are coming over on a different pattern on one side and the other five come in the other way and then we do a lot of competitive drills.