I Am 13 i play Guard (usually Point) i am good at everything but i want to be great. i have a really terrible shot form and technique. i am a good dribbler but i cant use my left hand and my stamina is not very good and i am not very fast . i get picked for selective teams but i want to be one of the best players on the team. any Help would be appreciated. please dont just say "Practice" i want some drills i could do with 1 or 2 people and limited resources. Thanks in advance