It is very important that as coach, you are clear that the most important is to develop the skills and formation of the kids, helping them to improve, be better players, and to play as a team. It is also very important that they have fun. Remember that everyone wants to win and that winning is important but not he most important, due to the fact that you have to teach them to learn from their mistakes, learn from their defeats, and to stand up and keep going. As a good coach you should plant values in your players so that they can achieve their goals; this will make them better persons in the future.