Maybe applying for U21 was not the greatest 'introductory move you could have made, but at least we all know you now :D
hahah I remember in my first or second season of playing BB, I tried to get the U21 coaching role by campaigning with BB-mails and what not... I was as enthusiastic if not more enthusiastic then BBB himself. Little did I know it was against the rules but thats another story LOL
when I was in div4 and div3, I use to go in the chat forums and look up to fellas like mllama and direwolf and c-cat and always said.. "one day I'll knock you off that high pedestal" (still in the process of doing that! haven't lost that desire yet =P).
so just keep on playing and keep on having fun, and remember that BB is a not a sprint its a marathon as most of the experience BB'ers would preach.