Wow, how sickenly patronizing all these comments are. He has a small dick people, it's okay to say it. It's not an insult
As for the girl, if she's a size queen, then you're going to have to overcome some compatibility issues. If she is inexperienced, or has only had big cocks, or just believes it because all her good lovers were hung, there's still hope if you please her despite having a small penis.