Learn the art of control. What does that mean? It means using your gun and your movement, and your voice so that you are always in control of what's going on around you. As the old saying goes. "He who dares wins".
Be patient though, no matter what it takes a while to get your game head on. Which means getting to the point where you're comfortable with the pace of the game and not too nervous to form coherent thoughts lol. Everyone hits that point at different times.
Here's another saying. "To imitate is to create". In other words....watch what the better players do, and then do the same thing. If you get shot out of a game don't go back to your table and clean up right away, watch the rest of the game and learn why you lost.
Finally my last lame saying of the day. "He who goes into battle determined to live, will surely perish. He who goes into battle with no fear of death, shall win the day".
Ok.....old guy tossing out quotes. I know it sounds lame but this stuff applies to paintball, trust me.