How can I prepare for football?

[thatlcfootballgirl]

My parents said if i do good in track then they'll let me play.. but then they are going to talk to the coach and tell him to treat me like a guy.(most coaches just let a girl join for publicity.. even if she's not good) I am extremely nervous because I see my friends on the teams arms and they are HUGE. and then I look at mine and they are tiny to theirs. Even though if i make a muscle it looks like i have man arms.. im still nervous. My school is a 5A school and they are TOP NOTCH. What are they best things I can do to become a great WR? i know my friend (WR) is nervous because i have better reflexes and im faster than him.. so i think i'll do good, but im still extremely nervous. What can I do to boost my self-esteem??!?! Or make me more confident to face the giant guys on the team.. my dream is finally coming true and i'm not giving up this far into it.