I Like a girl but ...?

but she have a bf now and tht guy like dun care bout her only and seldom or never call her.. and now he go overseas for 2 years.. but this girl like that guy so much and she say she will wait for tht guy and i thing that guy wont like her anymore because he like dun care bout her .. so wht should do nw ? i am confused nw .. i really like her... help me fren.. thx