i know how u feel , cause im 18 too.. and i played against some college ppl.... best thin to do is start small.... dont go out there cocky or nothin cause if u do fuck up, they gonna kill ya confidence 100%, trust me.... just go and play, make a bucket or 2... fake a few ppl.. and do what u do... when u hear ppl like... oh, lets switch, let me guard him.. u know u doin good.....