How to make her love me?

i have a close gf of mine.....over our frendship...i fell in luv wid her...bt i havent xpressed it to her....she sees me as her frend...bt smetimes she luks at me without me knowin....we both msg daily or even smetimes talk over phone...he had many a time tld me tht she will never get commited to anyone.....wht do i do?? im confused....