(1) Someone told me that using a 2hbh volley will hurt me in the long run, how? Because my 2hbh volley is rock solid right now. So stable and I'm so confident about it as oppose to a one hand back hand volley (2) Also, I'm playing in a tournament in about 10 days. And I need some tips on how to be just as good during points as I am when I practice hitting. (3) A coach that I'm playing with right now tells me to hit deep and down the line all the time. And now I'm really bad at cross court. Should I focus on the ball more on crosscourt? Am I suppose to swing differently or have a different grip on cross courts? I mean I have directional control, I just can't make satisfying angles. (4) How to deal with topspin balls that go above my shoulder. All I can do right now is lob it back for them to kill it. Lots of questions, do your best to give me some pointers, as I'm too lazy to search for the tips myself. Thanks!