Mill's Terrible Advice
You seem to be lacking boldness. You shall go up to here, and say "I wuv you". "I'm gonna risk it all!"
And also, wear a cookie monster shirt when you say the above. Cuz, you all know, girls love cookie monster.
If she refuses to like you, you say "Yoo bettar nawt be cheeeting on meh!!!! Ish that Otiisss, kid?!"
"Let me at him" *Fists up*
If you have followed my advice. You should be perfect for the approach.