well I dont really know about losing control around girls because when I am around my crush I am like "Oh, I am like soooo bored. Hey wanna go skating tuesday night? cool cool." around anyone else "WOOHOOHEYLETSGOSKATINGTUESDAYOHYOUDONTWANNAGOWHATEVERBESTDAYEVER!!!" but what you need to do is when you are around her try being calm and nice and just ask her if she wants to hang out sometime (I.E. movie,picnic,lunch,just hanging around,shopping,ect) and if she says then WOOPIE but if she says no then try again another time but believe me friendzineing sucks so just keep trying, most girls like a guy with perseverance but dont be all like "wanna hang out, wanna hang out, wanna hang out?" so dont be annoying or clingy be cool and try to flirt with her as much as you can but dont be all player/heart-throb-y just heart-thob-y.
if I confused you please raise my reputations points and if I didnt still raise my reputations points
sorry about the essay.